A FIXME comment: TightVNC extensions support is not finished yet.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2173 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/rfb/SConnection.cxx b/common/rfb/SConnection.cxx
index 876600b..deaa966 100644
--- a/common/rfb/SConnection.cxx
+++ b/common/rfb/SConnection.cxx
@@ -253,6 +253,9 @@
   if (caps.getSize() < 1)
     throwConnFailedException("No supported security types");
 
+  // FIXME: We should never send an empty capability list if we are prompting
+  //        local user to accept client connections. And if we do send an
+  //        empty list, then we cannot send a "security result".
   if (caps.includesOnly(secTypeNone)) {
     // Special case - if caps includes nothing else than secTypeNone, we send
     // an empty capability list and do not expect security type selection from