libpng/tests/pngvalid-gamma-threshold

#!/bin/sh
exec ./pngvalid --strict --gamma-threshold
[master] Imported from libpng-1.6.1.tar 2013-03-27 21:31:36 -04:00			`#!/bin/sh`
[master] Imported from libpng-1.6.19.tar 2015-11-12 08:00:12 -05:00			`exec ./pngvalid --strict --gamma-threshold`