Remove unnecessary comma in QStackedWidget doc.

Change-Id: Iaa6102ea90c695eb2d81cc5d4fbd00dafc7783f5
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
Fix typo in QGraphicsTextItem::defaultTextColor() documentation.

Change-Id: I6e255483d63a3024d9cbfe09a12f33d7fddf36c0
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>