Avoid resetting the options whenever you click on the window.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4680 3789f03b-4d11-0410-bbf8-ca57d06f2519

vncviewer/OptionsDialog.cxx

@@ -122,7 +122,9 @@ void OptionsDialog::removeCallback(OptionsCallback *cb)
 
 void OptionsDialog::show(void)
 {
-  loadOptions();
+  /* show() gets called for raise events as well */
+  if (!shown())
+    loadOptions();
 
   Fl_Window::show();
 }