Add IP_RECVFRAGSIZE from Linux 4.10

[Joseph Myers]

Linux 4.10 adds a new IP_RECVFRAGSIZE macro to
include/uapi/linux/in.h.  This patch adds it to glibc's
sysdeps/unix/sysv/linux/bits/in.h.

Tested for x86_64.

2017-02-21  Joseph Myers  <joseph@codesourcery.com>

	* sysdeps/unix/sysv/linux/bits/in.h (IP_RECVFRAGSIZE): New macro.

diff --git a/sysdeps/unix/sysv/linux/bits/in.h b/sysdeps/unix/sysv/linux/bits/in.h
index 483b756..cd7fd31 100644
--- a/sysdeps/unix/sysv/linux/bits/in.h
+++ b/sysdeps/unix/sysv/linux/bits/in.h
@@ -101,6 +101,7 @@
 #define IP_NODEFRAG     22
 #define IP_CHECKSUM     23
 #define IP_BIND_ADDRESS_NO_PORT 24
+#define IP_RECVFRAGSIZE 25
 
 /* IP_MTU_DISCOVER arguments.  */
 #define IP_PMTUDISC_DONT   0	/* Never send DF frames.  */

-- 
Joseph S. Myers
joseph@codesourcery.com