Update default white pixel value now that we use 24-bit fb.


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@3640 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/unix/xserver/hw/vnc/xvnc.cc b/unix/xserver/hw/vnc/xvnc.cc
index 9087ff0..8d0211d 100644
--- a/unix/xserver/hw/vnc/xvnc.cc
+++ b/unix/xserver/hw/vnc/xvnc.cc
@@ -99,7 +99,7 @@
 #define VFB_DEFAULT_WIDTH  1024
 #define VFB_DEFAULT_HEIGHT 768
 #define VFB_DEFAULT_DEPTH  24
-#define VFB_DEFAULT_WHITEPIXEL 0xffff
+#define VFB_DEFAULT_WHITEPIXEL 0xffffffff
 #define VFB_DEFAULT_BLACKPIXEL 0
 #define VFB_DEFAULT_LINEBIAS 0
 #define XWD_WINDOW_NAME_LEN 60