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/
nullclient = executable('nullclient', 'nullclient.c', 'defines.h',
c_args : ['-DSTANDALONE'],
dependencies : [libpurple_dep, glib])