QWidget: Move break statement to the right place

An InputMethodQuery event should NOT be transformed into a PolishRequest
if the receiving widget has no WA_InputMethodEnabled attribute set.

Change-Id: I0727c600f1eb68087cb9fbc25f6458aca5417693
Reviewed-by: Samuel Rødal <samuel.rodal@digia.com>

src/widgets/kernel/qwidget.cpp

@@ -7907,8 +7907,8 @@ bool QWidget::event(QEvent *event)
                 }
             }
             query->accept();
-            break;
         }
+        break;
 
     case QEvent::PolishRequest:
         ensurePolished();