(syms_of_lread, openp): Use empty_unibyte_string, not build_string.

diff --git a/src/lread.c b/src/lread.c
index 088f729075d32ad40a2fa6a65d2c6dd82abd740c..943a55f31f848a80688c0ab3e9330d9f4e22b622 100644 (file)
--- a/src/lread.c
+++ b/src/lread.c
@@ -1199,7 +1199,7 @@ openp (path, str, suffixes, storeptr, predicate)
        fn = (char *) alloca (fn_size = 100 + want_size);
 
       /* Loop over suffixes.  */
-      for (tail = NILP (suffixes) ? Fcons (build_string (""), Qnil) : suffixes;
+      for (tail = NILP (suffixes) ? Fcons (empty_unibyte_string, Qnil) : suffixes;
           CONSP (tail); tail = XCDR (tail))
        {
          int lsuffix = SBYTES (XCAR (tail));
@@ -4070,8 +4070,7 @@ and, if so, which suffixes they should try to append to the file name
 in order to do so.  However, if you want to customize which suffixes
 the loading functions recognize as compression suffixes, you should
 customize `jka-compr-load-suffixes' rather than the present variable.  */);
-  /* We don't use empty_string because it's not initialized yet.  */
-  Vload_file_rep_suffixes = Fcons (build_string (""), Qnil);
+  Vload_file_rep_suffixes = Fcons (empty_unibyte_string, Qnil);
 
   DEFVAR_BOOL ("load-in-progress", &load_in_progress,
               doc: /* Non-nil iff inside of `load'.  */);