pidgin/pidgin

G_SOURCE_REMOVE and G_SOURCE_CONTINUE were added in 2.32 but our windows build only has 2.16

Testing Done:
Compiled on Linux.

Reviewed at https://reviews.imfreedom.org/r/1401/
prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
includedir=@includedir@
datarootdir=@datarootdir@
datadir=@datadir@
sysconfdir=@sysconfdir@
Name: Pidgin (Gaim compatibility)
Description: Pidgin is a GTK2-based instant messenger application.
Version: @VERSION@
Requires: glib-2.0
Cflags: -I${includedir}/libpurple
Libs: -L${libdir} -lpurple