autofs-5.1.7 - fix arg not used in error print

From: Ian Kent <raven@themaw.net>

Coverity: extra_argument: This argument was not used by the format
	  string: "key".

Signed-off-by: Ian Kent <raven@themaw.net>
---
 CHANGELOG    |    1 +
 lib/mounts.c |    4 +---
 2 files changed, 2 insertions(+), 3 deletions(-)

--- autofs-5.1.4.orig/CHANGELOG
+++ autofs-5.1.4/CHANGELOG
@@ -60,6 +60,7 @@
 - dont try umount after stat() ENOENT fail.
 - remove redundant assignment in master_add_amd_mount_section_mounts().
 - fix dead code in mnts_add_mount().
+- fix arg not used in error print.
 
 xx/xx/2018 autofs-5.1.5
 - fix flag file permission.
--- autofs-5.1.4.orig/lib/mounts.c
+++ autofs-5.1.4/lib/mounts.c
@@ -1519,9 +1519,7 @@ int tree_mapent_add_node(struct mapent_c
 	}
 
 	if (MAPENT_ROOT(base) != MAPENT_NODE(base)) {
-		error(logopt,
-		     "failed to find multi-mount root of offset tree",
-		     key);
+		error(logopt, "key %s is not multi-mount root", root);
 		return 0;
 	}
 	tree = MAPENT_ROOT(base);