eglChooseConfig must return filtered size when configs is NULL.

TRAC #12234

Signed-off-by: Shannon Woods
Signed-off-by: Daniel Koch

Author:    Andrew Lewycky

git-svn-id: https://angleproject.googlecode.com/svn/trunk@275 736b8ea6-26fd-11df-bfd4-992fa37f6226
1 file changed