1 files changed, 1 insertions, 2 deletions
diff --git a/lib/isdir.c b/lib/isdir.c
index e81ea4578..01cf8d5e4 100644
--- a/lib/isdir.c
+++ b/lib/isdir.c
@@ -34,8 +34,7 @@
    return nonzero, else 0.  */
 
 int
-isdir (path)
-     char *path;
+isdir (const char *path)
 {
   struct stat stats;