TRAC #21815
Fixes compressed texture test assertion in WebGL top-of-tree conformance suite when running with debug build
Signed-off-by: Daniel Koch
Signed-off-by: Nicolas Capens
git-svn-id: https://angleproject.googlecode.com/svn/trunk@1323 736b8ea6-26fd-11df-bfd4-992fa37f6226
