[IPVS]: Another file needs linux/interrupt.h

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/ipvs/ip_vs_conn.c

@@ -24,6 +24,7 @@
  *
  */
 
+#include <linux/interrupt.h>
 #include <linux/in.h>
 #include <linux/net.h>
 #include <linux/kernel.h>