pidgin/pidgin

Make it possible so that libpurple plugins can use functions defined in libpurple/glibcompat.h

Testing Done:
Compiled on linux and raspberry pi os which fixes that build.

Reviewed at https://reviews.imfreedom.org/r/169/
SAMETIMESOURCES = [
'sametime.c',
'sametime.h',
'im_mime.c',
'im_mime.h',
]
if DYNAMIC_SAMETIME
sametime_prpl = shared_library('sametime', SAMETIMESOURCES,
c_args : ['-DG_LOG_DOMAIN="sametime"'],
dependencies : [meanwhile, gmime, libpurple_dep, glib],
install : true, install_dir : PURPLE_PLUGINDIR)
subdir('tests')
endif