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/stats.c b/net/sunrpc/stats.c
index be0d100..5a16875 100644
--- a/net/sunrpc/stats.c
+++ b/net/sunrpc/stats.c
@@ -33,7 +33,7 @@
 static int rpc_proc_show(struct seq_file *seq, void *v) {
 	const struct rpc_stat	*statp = seq->private;
 	const struct rpc_program *prog = statp->program;
-	int		i, j;
+	unsigned int i, j;
 
 	seq_printf(seq,
 		"net %u %u %u %u\n",
@@ -81,7 +81,7 @@
 	const struct svc_program *prog = statp->program;
 	const struct svc_procedure *proc;
 	const struct svc_version *vers;
-	int		i, j;
+	unsigned int i, j;
 
 	seq_printf(seq,
 		"net %u %u %u %u\n",