RTEMS: Harmonize MAXNAMLEN and NAME_MAX

Override MAXNAMLEN definition in <dirent.h> and make sure it equals
NAME_MAX.

Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>

newlib/libc/sys/rtems/include/sys/dirent.h

@@ -50,6 +50,10 @@ struct dirent {
 	char		d_name[NAME_MAX + 1];
 };
 
+#if __BSD_VISIBLE
+#define	MAXNAMLEN NAME_MAX
+#endif
+
 int scandir ( const char *dirname,
    struct dirent *** namelist,
    int (*select)(const struct dirent *),