tree af90465be813f93e2e93ea57242c0d0ae193dfbc
parent 59fedee20d275d993f60aafdbc8844331e90370a
author lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524> 1330406639 +0000
committer lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524> 1330406639 +0000

sync patch r11825 from main trunk.
For BaseLib IsNull() function , update retval value comment to match its function description. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/branches/UDK2008@13048 6f19259b-4bc3-4df7-8a09-765794883524