Compatible use of png_set_iCCP

BUG=skia:

Change-Id: Ie37b92fd5e0d2bc92ec7f2bf3e6f56d061bc30a2
Reviewed-on: https://skia-review.googlesource.com/9960
Commit-Queue: Matt Sarett <msarett@google.com>
Reviewed-by: Ben Wagner <benjaminwagner@google.com>
1 file changed