Contribs: fix compilation of vncclient with libjpeg on some MingW env

If you don't include basetsd.h, you don't get the right defines
for jmorecfg.h

contrib/src/vncserver/libvncclient-libjpeg-win32.patch

+--- vncserver/libvncclient/rfbproto.c	2012-05-04 16:19:00.000000000 +0200
++++ vncserver/libvncclient/rfbproto.c.new	2013-07-11 14:51:35.951976814 +0200
+@@ -50,6 +50,9 @@
+ #ifdef _RPCNDR_H /* This Windows header typedefs 'boolean', jpeglib has to know */
+ #define HAVE_BOOLEAN
+ #endif
++#ifdef WIN32
++#include <basetsd.h>
++#endif
+ #include <jpeglib.h>
+ #endif
+ #include <stdarg.h>

contrib/src/vncserver/rules.mak

@@ -15,6 +15,7 @@ $(TARBALLS)/LibVNCServer-$(VNCSERVER_VERSION).tar.gz:
 
 vncserver: LibVNCServer-$(VNCSERVER_VERSION).tar.gz .sum-vncserver
 	$(UNPACK)
+	$(APPLY) $(SRC)/vncserver/libvncclient-libjpeg-win32.patch
 	$(MOVE)
 
 .vncserver: vncserver