[IPVS]: Fix compilation

Signed-off-by: NAdrian Bunk <bunk@stusta.de>
Acked-by: NArnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/ipv4/ipvs/ip_vs_est.c

@@ -18,6 +18,7 @@
 #include <linux/jiffies.h>
 #include <linux/slab.h>
 #include <linux/types.h>
+#include <linux/interrupt.h>
 
 #include <net/ip_vs.h>
 

net/ipv4/ipvs/ip_vs_sched.c

@@ -22,6 +22,7 @@
 #include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/spinlock.h>
+#include <linux/interrupt.h>
 #include <asm/string.h>
 #include <linux/kmod.h>