debugger: enable memory editor for referenced address

Task-number: QTCREATORBUG-7318
Change-Id: I2cb422c9e798ae3dd1babcff25c623f086f916f8
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/debugger/watchhandler.cpp

@@ -849,9 +849,7 @@ QVariant WatchModel::data(const QModelIndex &idx, int role) const
             return data.value;
 
         case LocalsPointerValueRole:
-            if (isPointerType(data.type))
-                return pointerValue(data.value);
-            return QVariant(quint64(0));
+            return data.referencingAddress;
 
         case LocalsIsWatchpointAtAddressRole: {
             BreakpointParameters bp(WatchpointAtAddress);