ObjC++: also index ObjC symbols.

@classes, @protocols, @properties and -methods (and +methods) will now
show up in the locator.

Change-Id: I33f904c456c321fc80b8aba7ff52d5f1207c58be
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

src/libs/3rdparty/cplusplus/Bind.cpp

@@ -2567,6 +2567,8 @@ bool Bind::visit(ObjCMethodDeclarationAST *ast)
         this->statement(ast->function_body);
         (void) switchScope(previousScope);
         _scope->addMember(method);
+    } else if (method) {
+        _scope->addMember(method);
     }
 
     return false;