Qt: aspectratio: use the same height as other buttons

(cherry picked from commit 8cef4081145f8dd4b3fc5cefb9ba995782a6a876)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/gui/qt4/components/controller.cpp

@@ -467,6 +467,7 @@ QWidget *AbstractController::createWidget( buttonType_e button, int options )
         break;
     case ASPECT_RATIO_COMBOBOX:
         widget = new AspectRatioComboBox( p_intf );
+        widget->setMinimumHeight( 26 );
         break;
     case SPEED_LABEL:
         widget = new SpeedLabel( p_intf, this );