Handle (by ignoring) Imbe_CancelReservation. Detected by Florian

Krohm when compiling with -Wswitch-enum.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14618

helgrind/hg_main.c

@@ -4558,6 +4558,7 @@ IRSB* hg_instrument ( VgCallbackClosure* closure,
          case Ist_MBE:
             switch (st->Ist.MBE.event) {
                case Imbe_Fence:
+               case Imbe_CancelReservation:
                   break; /* not interesting */
                default:
                   goto unhandled;