Remove example for WinRT

Change-Id: Iaf1109eb70c892aa819775f2773168633c62af67
Reviewed-by: Oliver Wolff <oliver.wolff@digia.com>
(cherry picked from commit b6ba8a7448148794f4a36158003a3d5dad7f1e6c)
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@digia.com>
fix crash on malformed SVG

In a gradient that references itself via xlink:href we encountered
an infinite recursion, and eventually a stack overflow.
Now we print a warning and ignore the invalid link.

Task-number: QTBUG-35387
Change-Id: Id72800eaa267d015a471df284245861ed8bc94cd
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Merge remote-tracking branch 'origin/5.3' into 5.4

Change-Id: Ideff1b627a310a85d728d74ed25b83e7de5352fe