Make it possible to start in full screen mode.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4453 3789f03b-4d11-0410-bbf8-ca57d06f2519

vncviewer/DesktopWindow.cxx

@@ -69,6 +69,11 @@ DesktopWindow::DesktopWindow(int w, int h, const char *name,
 
   OptionsDialog::addCallback(handleOptions, this);
 
+#ifdef HAVE_FLTK_FULLSCREEN
+  if (fullScreen)
+    fullscreen();
+#endif
+
   show();
 
   // The window manager might give us an initial window size that is different