Color level selection is disabled when using AutoSelect


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@55 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/vncviewer/OptionsDialog.cxx b/vncviewer/OptionsDialog.cxx
index 93e7f0c..cfed1fc 100644
--- a/vncviewer/OptionsDialog.cxx
+++ b/vncviewer/OptionsDialog.cxx
@@ -121,6 +121,10 @@
       enableItem(IDC_ENCODING_ZRLE, ok);
       enableItem(IDC_ENCODING_HEXTILE, ok);
       enableItem(IDC_ENCODING_RAW, ok);
+      enableItem(IDC_FORMAT_FULLCOLOUR, ok);
+      enableItem(IDC_FORMAT_MEDIUMCOLOUR, ok);
+      enableItem(IDC_FORMAT_LOWCOLOUR, ok);
+      enableItem(IDC_FORMAT_VERYLOWCOLOUR, ok);
       return true;
     }
     return false;