Fix wrong fetching of the y-inverted value
Fix wrong fetching of the y-inverted value

Change-Id: I027f8c78f652bae2659fdb82541bc24f54a0a070
Reviewed-by: Gunnar Sletta <d0b71651f3efaa9fda200bbcc395b7b82a871fdd@jollamobile.com>

Tofee/qtwayland,Tofee/qtwayland,Tofee/qtwayland