pidgin/pidgin

Fix a few issues with the CredentialProvider code that snuck past review

Testing Done:
Compiled and ran unit tests locally. Verified the warnings were gone from the unit test build and verified the warning was gone from the Purple-3.0.gir build.

Reviewed at https://reviews.imfreedom.org/r/168/
<?xml version="1.0" encoding="UTF-8"?>
<!-- Generated with glade 3.22.1
Pidgin - Internet Messenger
Copyright (C) Pidgin Developers <devel@pidgin.im>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-->
<interface>
<requires lib="gtk+" version="3.20"/>
<!-- interface-license-type gplv2 -->
<!-- interface-name Pidgin -->
<!-- interface-description Internet Messenger -->
<!-- interface-copyright Pidgin Developers <devel@pidgin.im> -->
<template class="PidginWhiteboard" parent="GtkWindow">
<property name="can_focus">False</property>
<property name="title" translatable="yes">Pidgin Whiteboard</property>
<property name="resizable">False</property>
<signal name="delete-event" handler="whiteboard_close_cb" swapped="no"/>
<child>
<placeholder/>
</child>
<child>
<object class="GtkBox">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="spacing">6</property>
<child>
<object class="GtkDrawingArea" id="drawing_area">
<property name="width_request">300</property>
<property name="height_request">250</property>
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="events">GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_LEAVE_NOTIFY_MASK</property>
<signal name="button-press-event" handler="pidgin_whiteboard_brush_down" object="PidginWhiteboard" swapped="no"/>
<signal name="button-release-event" handler="pidgin_whiteboard_brush_up" object="PidginWhiteboard" swapped="no"/>
<signal name="configure-event" handler="pidgin_whiteboard_configure_event" object="PidginWhiteboard" swapped="no"/>
<signal name="draw" handler="pidgin_whiteboard_draw_event" object="PidginWhiteboard" swapped="no"/>
<signal name="motion-notify-event" handler="pidgin_whiteboard_brush_motion" object="PidginWhiteboard" swapped="no"/>
</object>
<packing>
<property name="expand">True</property>
<property name="fill">True</property>
<property name="position">0</property>
</packing>
</child>
<child>
<object class="GtkBox">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="orientation">vertical</property>
<property name="spacing">6</property>
<child>
<object class="GtkButton">
<property name="label" translatable="yes">_Clear</property>
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="receives_default">True</property>
<property name="use_underline">True</property>
<signal name="clicked" handler="pidgin_whiteboard_button_clear_press" object="PidginWhiteboard" swapped="no"/>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">False</property>
<property name="position">0</property>
</packing>
</child>
<child>
<object class="GtkButton">
<property name="label" translatable="yes">_Save</property>
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="receives_default">True</property>
<property name="use_underline">True</property>
<signal name="clicked" handler="pidgin_whiteboard_button_save_press" object="PidginWhiteboard" swapped="no"/>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">False</property>
<property name="position">1</property>
</packing>
</child>
<child>
<object class="GtkColorButton" id="color_button">
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="receives_default">True</property>
<signal name="color-set" handler="color_selected" object="PidginWhiteboard" swapped="no"/>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">False</property>
<property name="position">2</property>
</packing>
</child>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">False</property>
<property name="position">1</property>
</packing>
</child>
</object>
</child>
</template>
</interface>