Fixes userspace compilation error:

error: "IFNAMSIZ" undeclared here (not in a function)

Signed-off-by: Mikko Rapeli <mikko.rapeli [at] iki>
---
include/uapi/linux/if_pppox.h | 1 +
1 file changed, 1 insertion(+)

Index: linux-glibc-devel-4.1/usr/include/linux/if_pppox.h
===================================================================
--- linux-glibc-devel-4.1.orig/usr/include/linux/if_pppox.h
+++ linux-glibc-devel-4.1/usr/include/linux/if_pppox.h
@@ -21,6 +21,7 @@
 #include <asm/byteorder.h>
 
 #include <linux/socket.h>
+#include <linux/if.h>
 #include <linux/if_ether.h>
 #include <linux/if_pppol2tp.h>