musst semaphore.counter public machen, hasse alles. init läuft nun

kernel/sync/semaphore.h

@@ -25,7 +25,6 @@ class Semaphore {
 	// Prevent copies and assignments
 	Semaphore(const Semaphore&) = delete;
 	Semaphore& operator=(const Semaphore&) = delete;
-	unsigned counter;
 	Queue<Thread> waiting;
 
    public:
@@ -33,6 +32,7 @@ class Semaphore {
 	 *  \param c Initial counter value
 	 */
 	explicit Semaphore(unsigned c = 0) : counter(c) {}
+	unsigned counter;
 
 	/*! \brief Wait for access to the critical area.
 	 *