Rename RWF_WRITE_LIFE_NOT_SET to RWH_WRITE_LIFE_NOT_SET following Linux 5.5

[Joseph Myers]

Linux 5.5 renames RWF_WRITE_LIFE_NOT_SET to RWH_WRITE_LIFE_NOT_SET,
with the old name kept as an alias.  This patch makes the
corresponding change in glibc.

Tested for x86_64.

diff --git a/sysdeps/unix/sysv/linux/bits/fcntl-linux.h b/sysdeps/unix/sysv/linux/bits/fcntl-linux.h
index 07a889d683..b06488a847 100644
--- a/sysdeps/unix/sysv/linux/bits/fcntl-linux.h
+++ b/sysdeps/unix/sysv/linux/bits/fcntl-linux.h
@@ -290,7 +290,8 @@ struct f_owner_ex
 
 #ifdef __USE_GNU
 /* Hint values for F_{GET,SET}_RW_HINT.  */
-# define RWF_WRITE_LIFE_NOT_SET	0
+# define RWH_WRITE_LIFE_NOT_SET	0
+# define RWF_WRITE_LIFE_NOT_SET	RWH_WRITE_LIFE_NOT_SET
 # define RWH_WRITE_LIFE_NONE	1
 # define RWH_WRITE_LIFE_SHORT	2
 # define RWH_WRITE_LIFE_MEDIUM	3

-- 
Joseph S. Myers
joseph@codesourcery.com