Staging: lustre: ptlrpc: pinger: Declare as static

Declare ptlrpc_pinger_remove_timeouts as static since it is used
only in this particular file.
Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/ptlrpc/pinger.c

@@ -313,7 +313,7 @@ int ptlrpc_start_pinger(void)
 	return 0;
 }
 
-int ptlrpc_pinger_remove_timeouts(void);
+static int ptlrpc_pinger_remove_timeouts(void);
 
 int ptlrpc_stop_pinger(void)
 {
@@ -497,7 +497,7 @@ int ptlrpc_del_timeout_client(struct list_head *obd_list,
 }
 EXPORT_SYMBOL(ptlrpc_del_timeout_client);
 
-int ptlrpc_pinger_remove_timeouts(void)
+static int ptlrpc_pinger_remove_timeouts(void)
 {
 	struct timeout_item *item, *tmp;