ndisc: Convert use of typedef ctl_table to struct ctl_table

This typedef is unnecessary and should just be removed.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 745bf74..949d775 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -230,7 +230,7 @@
 							   void __user *buffer,
 							   size_t *lenp,
 							   loff_t *ppos);
-int ndisc_ifinfo_sysctl_strategy(ctl_table *ctl,
+int ndisc_ifinfo_sysctl_strategy(struct ctl_table *ctl,
 				 void __user *oldval, size_t __user *oldlenp,
 				 void __user *newval, size_t newlen);
 #endif