fix auto added syscall

Author: SchrodingerZhu

libc/test/integration/src/pthread/pthread_rwlock_test.cpp

@@ -7,7 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "src/__support/CPP/atomic.h"
-#include "src/__support/OSUtil/linux/aarch64/syscall.h"
+#include "src/__support/OSUtil/syscall.h"
 #include "src/__support/threads/linux/raw_mutex.h"
 #include "src/__support/threads/linux/rwlock.h"
 #include "src/__support/threads/sleep.h"