pidgin/purple-plugin-pack

Re-add purple2 compatibility with #if PURPLE_VERSION_CHECK(3,0,0) blocks

Based on previous commits between 2.7.0 and now, this is sorta like reverting
those changes partially.
#
# Makefile.mingw
#
# Description: Makefile for okcupid plugin.
#
JSON_GLIB_TOP = $(PIDGIN_TREE_TOP)/../win32-dev/libjson-glib
PP_TOP := ..
PP = okcupid
PP_SRC := \
okcupid.c \
okc_blist.c \
okc_connection.c \
okc_messages.c
include $(PP_TOP)/win_pp.mak
INCLUDE_PATHS += \
-I$(JSON_GLIB_TOP)/include/json-glib-1.0
LIB_PATHS += \
-L$(JSON_GLIB_TOP)/lib
PLUGIN_LIBS += \
-ljson-glib-1.0 \
-lz