This is similar to the fix in signals-test.c that I just commited from
Koosha Khajehmoogahi. I haven't tested it, but it's consistent with
the other signal handler in this file.
#
# Makefile.mingw
#
# Description: Makefile for win32 (mingw) version of Pidgin
#
PIDGIN_TREE_TOP:=..
include $(PIDGIN_TREE_TOP)/libpurple/win32/global.mak