Add .opensdf files to .gitignore.

TRAC #22410

Signed-off-by: Geoff Lang
Signed-off-by: Daniel Koch
Author: Jamie Madill

git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1770 736b8ea6-26fd-11df-bfd4-992fa37f6226
1 file changed