Fix uninitialized count variable and naming convention

src/base/tl/threading.h

@@ -9,21 +9,21 @@ class CSemaphore
 	SEMAPHORE m_Sem;
 	// implement the counter seperatly, because the `sem_getvalue`-API is
 	// deprecated on macOS: https://stackoverflow.com/a/16655541
-	std::atomic_int count;
+	std::atomic_int m_Count{0};
 
 public:
 	CSemaphore() { sphore_init(&m_Sem); }
 	~CSemaphore() { sphore_destroy(&m_Sem); }
 	CSemaphore(const CSemaphore &) = delete;
-	int GetApproximateValue() { return count.load(); }
+	int GetApproximateValue() { return m_Count.load(); }
 	void Wait()
 	{
 		sphore_wait(&m_Sem);
-		count.fetch_sub(1);
+		m_Count.fetch_sub(1);
 	}
 	void Signal()
 	{
-		count.fetch_add(1);
+		m_Count.fetch_add(1);
 		sphore_signal(&m_Sem);
 	}
 };