Fix flt -> ushort to use unsigned saturation
Fix flt -> ushort to use unsigned saturation

flt -> int is UB if it can't be represented, so saturation is OK. But
flt -> unsigned needs to still be correct...

Signed-off-by: Matthias Kretz <372ea4eca737a13cd010ee806d4ce7b98ee71550@kde.org>

VcDevel/Vc,VcDevel/Vc,VcDevel/Vc,VcDevel/Vc