smbfs: fix debug builds

Fix some warnings with SMBFS_DEBUG_* builds.  This patch makes it so that
builds with -Werror don't fail.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/smbfs/smbiod.c b/fs/smbfs/smbiod.c
index 283c572..fae8e85 100644
--- a/fs/smbfs/smbiod.c
+++ b/fs/smbfs/smbiod.c
@@ -227,7 +227,7 @@
 		printk(KERN_ERR "smb_retry: signal failed [%d]\n", result);
 		goto out;
 	}
-	VERBOSE("signalled pid %d\n", pid);
+	VERBOSE("signalled pid %d\n", pid_nr(pid));
 
 	/* FIXME: The retried requests should perhaps get a "time boost". */