veth.h move to linux/

Move veth.h to linux/ since it is an API.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
diff --git a/include/net/veth.h b/include/linux/veth.h
similarity index 100%
rename from include/net/veth.h
rename to include/linux/veth.h
diff --git a/ip/link_veth.c b/ip/link_veth.c
index 9dfb78f..9f5e871 100644
--- a/ip/link_veth.c
+++ b/ip/link_veth.c
@@ -12,7 +12,7 @@
 
 #include <string.h>
 #include <net/if.h>
-#include <net/veth.h>
+#include <linux/veth.h>
 
 #include "utils.h"
 #include "ip_common.h"