gui/test: Put createAction() to anonymous namespace

src/gui/test/HotkeyTests.cpp

@@ -96,6 +96,8 @@ struct TestHotKey
     std::vector<TestAction> actions;
 };
 
+namespace {
+
     Action createAction(const TestAction& test_action)
     {
         Action action;
@@ -129,6 +131,7 @@ Action createAction(const TestAction& test_action)
         }
         return action;
     }
+} // namespace
 
 void doHotkeyLoadSaveTest(const TestHotKey& test_hotkey, QSettings::Format format)
 {