SUNRPC: RPC program information is stored in unsigned integers

Clean up: When looping over RPC version and procedure numbers, use
unsigned index variables.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 7537af7..a290e15 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -364,7 +364,7 @@
 	   void (*shutdown)(struct svc_serv *serv))
 {
 	struct svc_serv	*serv;
-	int vers;
+	unsigned int vers;
 	unsigned int xdrsize;
 	unsigned int i;
 
@@ -763,7 +763,8 @@
 {
 	struct svc_program	*progp;
 	unsigned long		flags;
-	int			i, error = 0, dummy;
+	unsigned int		i;
+	int			error = 0, dummy;
 
 	if (!port)
 		clear_thread_flag(TIF_SIGPENDING);