8214078: (fs) SecureDirectoryStream not supported on arm32

Reviewed-by: phh
Backport-of: 10cd386

Author: caojoshua

src/java.base/unix/native/libnio/fs/UnixNativeDispatcher.c

@@ -152,10 +152,9 @@ static futimesat_func* my_futimesat_func = NULL;
 static fdopendir_func* my_fdopendir_func = NULL;
 
 /**
- * fstatat missing from glibc on Linux. Temporary workaround
- * for x86/x64.
+ * fstatat missing from glibc on Linux.
  */
-#if defined(__linux__) && defined(__i386)
+#if defined(__linux__) && (defined(__i386) || defined(__arm__))
 #define FSTATAT64_SYSCALL_AVAILABLE
 static int fstatat64_wrapper(int dfd, const char *path,
                              struct stat64 *statbuf, int flag)