libpng/tests/pngvalid-gamma-16-to-8

#!/bin/sh
exec ./pngvalid --gamma-16-to-8
[libpng16] Enabled parallel tests - back ported from libpng-1.7. 2013-02-16 01:01:02 -05:00			`#!/bin/sh`
			`exec ./pngvalid --gamma-16-to-8`