pidgin/pidgin

Update the glade catalog for the new credential provider widgets

Testing Done:
Ran `dev-pidgin-glade` verified the errors were gone and that I could use the new widgets.

Reviewed at https://reviews.imfreedom.org/r/761/
syntax: glob
.*.swp
.DS_Store
.flatpak-builder
*.pyc
*~
\#*\#
subprojects/*/
syntax: regexp
^build(.+)?\/
win32-install-dir(\.release)?
po\/pidgin\.pot$