(Fkey_description): Use empty_unibyte_string.

diff --git a/src/keymap.c b/src/keymap.c
index dbcf1d6..109ef25 100644 (file)
--- a/src/keymap.c
+++ b/src/keymap.c
@@ -2188,7 +2188,7 @@ spaces are put between sequence elements, etc.  */)
          len += 2;
        }
       else if (len == 0)
-       return empty_string;
+       return empty_unibyte_string;
       return Fconcat (len - 1, args);
     }