Crashlog: Update thread/lock handling to match GameLoop changes

src/os/windows/crashlog_win.cpp

@@ -639,6 +639,8 @@ static LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS *ep)
 		ExitProcess(3);
 	}
 
+	VideoDriver::EmergencyAcquireGameLock(1000, 5);
+
 	CrashLogWindows *log = new CrashLogWindows(ep);
 	CrashLogWindows::current = log;
 	char *buf = log->FillCrashLog(log->crashlog, lastof(log->crashlog));