[PATCH] udp.7: Add missing #include directive.

[Benjamin Poirier <bpoirier@xxxxxxx>]

Using the UDP_CORK socket option documented in udp.7 requires including
<netinet/udp.h>.

Signed-off-by: Benjamin Poirier <bpoirier@xxxxxxx>
---

Here's a small test program:

<<<<<<<< minicork.c
#include <netinet/in.h>
#include <netinet/ip.h>
//#include <netinet/udp.h>


int main()
{
	int fd, option;

	fd = socket(AF_INET, SOCK_DGRAM, 0);

	option = 1;
	setsockopt(fd, IPPROTO_UDP, UDP_CORK, &option, sizeof(option));

	return 0;
}
>>>>>>>>

---
 man7/udp.7 |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/man7/udp.7 b/man7/udp.7
index 313c78d..e2e723a 100644
--- a/man7/udp.7
+++ b/man7/udp.7
@@ -16,6 +16,8 @@ udp \- User Datagram Protocol for IPv4
 .B #include <sys/socket.h>
 .br
 .B #include <netinet/in.h>
+.br
+.B #include <netinet/udp.h>
 .sp
 .B udp_socket = socket(AF_INET, SOCK_DGRAM, 0);
 .SH DESCRIPTION
-- 
1.7.10.4

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