2. Fixed a logical error in Synchronization.c which caused InterlockedIncrement() and InterlockedDecrement() to hang.
3. Replaced the pseudo-implementation of GetInterruptState() with a real version.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@793 6f19259b-4bc3-4df7-8a09-765794883524