Fixed `look at symbol under cursor' when symbol is a Qt method (e.g. a signal).

Done with: erikv

src/libs/cplusplus/ResolveExpression.h

@@ -63,6 +63,7 @@ public:
 protected:
     QList<LookupItem> switchResults(const QList<LookupItem> &symbols);
 
+    void thisObject();
     void addResult(const FullySpecifiedType &ty, Symbol *symbol = 0);
     void addResult(const LookupItem &result);
     void addResults(const QList<LookupItem> &results);