pidgin/purple-plugin-pack

Add talkfilters plugin to build.
meson
2017-06-25, Elliott Sales de Andrade
566b1bda80ae
Add talkfilters plugin to build.

Not sure if this works though.
#
# Makefile.mingw
#
# Description: Makefile for groupmsg plugin.
#
PP_TOP := ..
PP = groupmsg
include $(PP_TOP)/win_pp.mak