Fix libmodplug compilation by removing abc, mid and pat files since they

don't compile on Windows.

extras/contrib/src/Makefile

@@ -1399,6 +1399,9 @@ libmodplug-$(MODPLUG_VERSION).tar.gz:
 
 libmodplug: libmodplug-$(MODPLUG_VERSION).tar.gz
 	$(EXTRACT_GZ)
+#ifdef HAVE_WIN32
+	patch -p0 < Patches/libmodplug-win32.patch
+#end
 
 .mod: libmodplug
 	(cd $<; $(HOSTCC) ./configure $(HOSTCONF) --prefix=$(PREFIX) --disable-shared --enable-static && make && make install)

extras/contrib/src/Patches/libmodplug-win32.patch

+--- libmodplug-0.8.4/src/Makefile.am	2006-11-02 04:48:13.000000000 +0100
++++ libmodplug/src/Makefile.am	2008-04-06 07:55:35.000000000 +0200
+@@ -32,9 +32,6 @@
+                         load_j2b.cpp       \
+                         load_mt2.cpp       \
+                         load_psm.cpp       \
+-                        load_abc.cpp       \
+-                        load_mid.cpp       \
+-                        load_pat.cpp       \
+                         modplug.cpp
+ 
+ libmodplugincludedir = $(includedir)/libmodplug