In the example below, "var" is highlighted as a function, but it should
be highlighted as a local variable.

  struct OtherOperator { void operator()(int); };
  void g(OtherOperator o, int var)
  {
      o(var);
  }

This is due to a libclang bug.

Change-Id: I7c9fcad6f16c25191d31fc330e969ebd282d4869
Reviewed-by: David Schulz <david.schulz@qt.io>