pidgin/pidgin

Fix some issues where we were triggering GWarnings with presence

Testing Done:
I ran into these while porting the Bonjour prpl to the new status API, so I verified they stopped happening against that code.

Reviewed at https://reviews.imfreedom.org/r/2426/
subdir('reference')
if ENABLE_GTK
pidgin_man = configure_file(
input : 'pidgin3.1.in',
output : 'pidgin3.1',
configuration : man_conf,
install : true,
install_dir : get_option('mandir') / 'man1')
endif
if enable_consoleui
finch_man = configure_file(
input : 'finch3.1.in',
output : 'finch3.1',
configuration : man_conf,
install : true,
install_dir : get_option('mandir') / 'man1')
endif