fix missing parenthesis

Author: martin-frbg

driver/level3/level3_thread.c

@@ -519,7 +519,7 @@ static int gemm_driver(blas_arg_t *args, BLASLONG *range_m, BLASLONG
 static pthread_mutex_t  level3_lock    = PTHREAD_MUTEX_INITIALIZER;
 #else
 CRITICAL_SECTION level3_lock;
-InitializeCriticalSection((PCRITICAL_SECTION)&level3_lock;
+InitializeCriticalSection((PCRITICAL_SECTION)&level3_lock);
 #endif
 #endif