[IPVS]: fix sparse gfp nocast warnings

From: Randy Dunlap <rdunlap@xenotime.net>

Fix implicit nocast warnings in ip_vs code:
net/ipv4/ipvs/ip_vs_app.c:631:54: warning: implicit cast to nocast type
Signed-off-by: NRandy Dunlap <rdunlap@xenotime.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/net/ip_vs.h

@@ -832,7 +832,7 @@ extern void ip_vs_app_inc_put(struct ip_vs_app *inc);
 
 extern int ip_vs_app_pkt_out(struct ip_vs_conn *, struct sk_buff **pskb);
 extern int ip_vs_app_pkt_in(struct ip_vs_conn *, struct sk_buff **pskb);
-extern int ip_vs_skb_replace(struct sk_buff *skb, int pri,
+extern int ip_vs_skb_replace(struct sk_buff *skb, unsigned int __nocast pri,
 			     char *o_buf, int o_len, char *n_buf, int n_len);
 extern int ip_vs_app_init(void);
 extern void ip_vs_app_cleanup(void);

net/ipv4/ipvs/ip_vs_app.c

@@ -604,7 +604,7 @@ static struct file_operations ip_vs_app_fops = {
 /*
  *	Replace a segment of data with a new segment
  */
-int ip_vs_skb_replace(struct sk_buff *skb, int pri,
+int ip_vs_skb_replace(struct sk_buff *skb, unsigned int __nocast pri,
 		      char *o_buf, int o_len, char *n_buf, int n_len)
 {
 	struct iphdr *iph;