Fix a logical test in GrColorSpaceXform::Equals

Change-Id: I2408278355cdd5a8a65748b5dd313b9466aee2b1
Reviewed-on: https://skia-review.googlesource.com/113211
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
1 file changed