Changed all user-visible strings from colour to color.
Also, the Windows viewer now accepts arguments with both spellings.


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@69 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/rfb_win32/DeviceFrameBuffer.cxx b/rfb_win32/DeviceFrameBuffer.cxx
index a4d1021..70975c3 100644
--- a/rfb_win32/DeviceFrameBuffer.cxx
+++ b/rfb_win32/DeviceFrameBuffer.cxx
@@ -146,7 +146,7 @@
   UINT entries = ::GetSystemPaletteEntries(dc, 0, 256, syspalette);
 
   if (entries == 0) {
-    vlog.info("resorting to standard 16 colour palette");
+    vlog.info("resorting to standard 16 color palette");
     for (unsigned int i=0;i<256;i++) {
       int v = (i%16) >= 8 ? 127 : 255;
       syspalette[i].peRed = i & 1 ? v : 0;