pidgin/pidgin

Fix some warnings and other stuff that was missed when porting Jabber to Birb

Testing Done:
Touched all of the files in `libpurple/protocols/jabber`, compiled and verified there were no warnings.

Reviewed at https://reviews.imfreedom.org/r/2932/
/*
* Pidgin - Internet Messenger
* Copyright (C) Pidgin Developers <devel@pidgin.im>
*
* Pidgin is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* 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, see <https://www.gnu.org/licenses/>.
*/
#if !defined(PIDGIN_GLOBAL_HEADER_INSIDE) && !defined(PIDGIN_COMPILATION)
# error "only <pidgin.h> may be included directly"
#endif
#ifndef PIDGIN_PREFS_H
#define PIDGIN_PREFS_H
#include <glib.h>
#include <purple.h>
#include <gtk/gtk.h>
#include "pidginversion.h"
G_BEGIN_DECLS
#define PIDGIN_TYPE_PREFS_WINDOW (pidgin_prefs_window_get_type())
PIDGIN_AVAILABLE_IN_3_0
G_DECLARE_FINAL_TYPE(PidginPrefsWindow, pidgin_prefs_window, PIDGIN,
PREFS_WINDOW, GtkDialog)
/**
* pidgin_prefs_init:
*
* Initializes all UI-specific preferences.
*
* Since: 2.0.0
*/
PIDGIN_AVAILABLE_IN_ALL
void pidgin_prefs_init(void);
/**
* pidgin_prefs_update_old:
*
* Rename legacy prefs and delete some that no longer exist.
*
* Since: 2.0.0
*/
PIDGIN_AVAILABLE_IN_ALL
void pidgin_prefs_update_old(void);
G_END_DECLS
#endif /* PIDGIN_PREFS_H */