Accessibility Windows: Add shortcuts to name

Under windows it is customary to add the shortcut (e.g. Ctrl+O) to the
accessible name.

Task-number: QTBUG-38915
Change-Id: Ib79f8624346a1d9d08381e815383ddcdda2d0488
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@digia.com>

src/plugins/platforms/windows/accessible/qwindowsmsaaaccessible.cpp

@@ -890,6 +890,11 @@ HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::get_accName(VARIANT varID, BST
             }
         }
     }
+
+    QString shortcut = accessible->text(QAccessible::Accelerator);
+    if (!shortcut.isEmpty())
+        name.append(QLatin1Char(' ') + shortcut);
+
     if (name.size()) {
         *pszName = QStringToBSTR(name);
         return S_OK;