xfs_io: print path in path_print

Actually print the path string once we've bothered to construct it into
a string buffer.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
diff --git a/io/parent.c b/io/parent.c
index a6f3fa0..b18e02c 100644
--- a/io/parent.c
+++ b/io/parent.c
@@ -87,6 +87,8 @@
 	ret = path_list_to_string(path, buf + ret, len - ret);
 	if (ret < 0)
 		return ret;
+
+	printf("%s\n", buf);
 	return 0;
 }