pidgin/pidgin

Bump C standard to C99 for XMPP and fix warnings

18 months ago, Elliott Sales de Andrade
025eee9e6f1d
Bump C standard to C99 for XMPP and fix warnings

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

Reviewed at https://reviews.imfreedom.org/r/2125/
subdir('autoaccept')
subdir('buddynote')
subdir('idle')
subdir('joinpart')
subdir('keychain-access')
subdir('kwallet', if_found : kwallet)
subdir('libsecret', if_found : libsecret)
subdir('notification-sound')
subdir('psychic')
subdir('purple-toast')
subdir('statenotify')
subdir('wincred')