pidgin/pidgin

Add a 'purple.h' that includes the defines and other header files required
to compile against libpurple. Thanks to John 'rekkanoryo' Bailey for the
nice description. This should get rid of all the G_GNUC_NULL_TERMINATED
compile errors many people keep getting.
Closes #2524.
#
# Makefile.mingw
#
# Description: Makefile for win32 (mingw) version
#
PIDGIN_TREE_TOP := ..
include $(PIDGIN_TREE_TOP)/libpurple/win32/global.mak
include ./Makefile.am
.PHONY: install clean
install:
if test '$(SUBDIRS)'; then \
list='$(SUBDIRS)'; for subdir in $$list; do \
$(MAKE) -C $$subdir -f $(MINGW_MAKEFILE) install || exit 1 ;\
done; \
fi;