* Remove a warning for conventional build

	* src/lread.c (parent_directory): Add ATTRIBUTE_UNUSED.

diff --git a/src/lread.c b/src/lread.c
index f5a7d44a1e07c9cce7e08ae37f6035156d102527..f10a20ded863e209fbe0722448c2409ce6facd85 100644 (file)
--- a/src/lread.c
+++ b/src/lread.c
@@ -1099,7 +1099,7 @@ close_infile_unwind (void *arg)
   infile = prev_infile;
 }
 
-static Lisp_Object
+static ATTRIBUTE_UNUSED Lisp_Object
 parent_directory (Lisp_Object directory)
 {
   return Ffile_name_directory (Fsubstring (directory,