[PATCH 0/1] MR3504: ntdll: Handle invalid locks in ReleaseSRWLockExclusive.

[Yuxuan Shui (＠yshui)]

This comes from behavioral study of Windows, which doesn't seem to check if the
lock is actually exclusively held, and just simply decrement the value stored
in the lock.

This fixes a dead lock which prevents WeCom from starting up.