'simple' error message functions by Loic Grenie <loic.grenie@gmail.com>.
263 bytes saved.

diff --git a/coreutils/chown.c b/coreutils/chown.c
index cfd3734..d974493 100644
--- a/coreutils/chown.c
+++ b/coreutils/chown.c
@@ -57,7 +57,7 @@
 		return TRUE;
 	}
 	if (!OPT_QUIET)
-		bb_perror_msg("%s", fileName);	/* A filename can have % in it... */
+		bb_simple_perror_msg(fileName);	/* A filename can have % in it... */
 	return FALSE;
 }