Contribs: fix libcaca-beta17 linkage on Win32

extras/contrib/src/Makefile

@@ -1323,6 +1323,10 @@ ifdef HAVE_DARWIN_OS
 	patch -p0 < Patches/libcaca-osx-sdkofourchoice.patch
 	(cd $@; sed -e 's%/Developer/SDKs/MacOSX10.4u.sdk%$(MACOSX_SDK)%' -i.orig  configure)
 endif
+ifdef HAVE_WIN32
+	patch -p0 < Patches/libcaca-win32-static.patch
+endif
+
 
 .caca: libcaca
 	(cd $<; $(HOSTCC) ./configure $(HOSTCONF) --prefix=$(PREFIX) --disable-imlib2 --disable-doc --disable-ruby --disable-csharp --disable-cxx && cd caca && make && make install)

extras/contrib/src/Patches/libcaca-win32-static.patch

+--- libcaca/caca/caca.h	2010-02-08 13:34:28.000000000 +0100
++++ libcaca.new/caca/caca.h	2010-08-24 19:27:39.000000000 +0200
+@@ -31,7 +31,7 @@
+ #if defined _DOXYGEN_SKIP_ME
+ #elif defined _WIN32 && defined __LIBCACA__ && defined DLL_EXPORT
+ #   define __extern extern __declspec(dllexport)
+-#elif defined _WIN32 && !defined __LIBCACA__
++#elif defined _WIN32 && !defined __LIBCACA__ && defined __NULL
+ #   define __extern extern __declspec(dllimport)
+ #else
+ #   define __extern extern