Fix the release build break.
Fix the release build break.

[tfs-changeset: 1668614]

yizhang82/corert,shrah/corert,yizhang82/corert,yizhang82/corert,shrah/corert,gregkalapos/corert,gregkalapos/corert,gregkalapos/corert,shrah/corert,gregkalapos/corert,yizhang82/corert,shrah/corert