Mails test update

Betriebssystem.h

@@ -57,8 +57,7 @@ public:
         pthread_mutexattr_init( &attr );
         pthread_mutexattr_settype( &attr, PTHREAD_MUTEX_RECURSIVE );
         pthread_mutex_init( &mutex, &attr );
-    } // TODO dsfgdslgkjhlas
-	// HACK dsgdshgah
+    }
     ~CriticalSection()
     {
         pthread_mutex_destroy( &mutex );