pidgin/pidgin

Bump C standard to C99 for Demo protocol and fix warnings

17 months ago, Elliott Sales de Andrade
2fc2db360044
Bump C standard to C99 for Demo protocol and fix warnings

Testing Done:
Touch all demo files, recompiled, and saw no new warnings.

Reviewed at https://reviews.imfreedom.org/r/2126/
syntax: glob
.*.swp
.DS_Store
.flatpak-builder
*.pyc
*~
\#*\#
syntax: regexp
^build(.+)?\/
win32-install-dir(\.release)?
po\/pidgin\.pot$
^subprojects\/.+\/