[Development] Enable compilation against X.Org 1.9.X source.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4088 3789f03b-4d11-0410-bbf8-ca57d06f2519

unix/xserver/hw/vnc/xorg-version.h

@@ -32,8 +32,10 @@
 #define XORG 17
 #elif XORG_VERSION_CURRENT < ((1 * 10000000) + (8 * 100000) + (99 * 1000))
 #define XORG 18
+#elif XORG_VERSION_CURRENT < ((1 * 10000000) + (9 * 100000) + (99 * 1000))
+#define XORG 19
 #else
-#error "X.Org newer than 1.8 is not supported"
+#error "X.Org newer than 1.9 is not supported"
 #endif
 
 #endif