pidgin/pidgin

Fix some warnings in gtkconv.c involving PidginAvatar

2021-04-16, Gary Kramlich
e4b7dd31c64c
Fix some warnings in gtkconv.c involving PidginAvatar

Testing Done:
Compiled and verified the warnings are gone.

Reviewed at https://reviews.imfreedom.org/r/621/
libpurple/data/purple-url-handler.desktop.in
libpurple/protocols/null/nullprpl.c
pidgin/data/im.pidgin.Pidgin.desktop.in
sub/libpurple/data/purple-url-handler.desktop.in
sub/libpurple/protocols/null/nullprpl.c
sub/pidgin/data/im.pidgin.Pidgin.desktop.in