C++: Fix Bind run on QtPropertyDeclarationAST.

Also adjust findusages test to account for QtProperty symbol.

Reviewed-by: Erik Verbruggen

src/shared/cplusplus/Bind.cpp

@@ -1892,6 +1892,8 @@ bool Bind::visit(QtPropertyDeclarationAST *ast)
     for (QtPropertyDeclarationItemListAST *it = ast->property_declaration_item_list; it; it = it->next) {
         if (!it->value || !it->value->item_name_token)
             continue;
+        this->expression(it->value->expression);
+
         std::string name = spell(it->value->item_name_token);
 
         if (name == "CONSTANT") {

tests/auto/cplusplus/findusages/tst_findusages.cpp

@@ -180,8 +180,8 @@ void tst_FindUsages::qproperty_1()
 
     Class *tst = doc->globalSymbolAt(0)->asClass();
     QVERIFY(tst);
-    QCOMPARE(tst->memberCount(), 4U);
-    Function *setX_method = tst->memberAt(1)->asFunction();
+    QCOMPARE(tst->memberCount(), 5U);
+    Function *setX_method = tst->memberAt(2)->asFunction();
     QVERIFY(setX_method);
     QCOMPARE(setX_method->identifier()->chars(), "setX");
     QCOMPARE(setX_method->argumentCount(), 1U);