Make splitter connect to signals with PURPLE_SIGNAL_PRIORITY_LOWEST, which
should cause it to be called before other plugins, such as OTR. I believe
this fixes #571.
#
# Makefile.mingw
#
# Description: Makefile for win32 (mingw) purple plugin pack
#
PIDGIN_TREE_TOP?=../../..
include $(PIDGIN_TREE_TOP)/libpurple/win32/global.mak