pidgin/pidgin

Clean up some random gtk-doc warnings in libpurple's documentation

Testing Done:
Ran `ninja libpurple-doc` locally, verified the warnings went away.

Reviewed at https://reviews.imfreedom.org/r/585/
pidgin3_xml = configure_file(
input : 'pidgin3.xml.in',
output : 'pidgin3.xml',
configuration : version_conf,
install : true,
install_dir : get_option('datadir') / 'glade/catalogs')