(Fmapconcat): Use empty_unibyte_string.

b116683c · Juanma Barranquero · fcd69a29 · b116683c
Commit b116683c authored Jun 08, 2007 by Juanma Barranquero
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src/fns.c src/fns.c +1 -1

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--- a/src/fns.c
+++ b/src/fns.c
@@ -3134,7 +3134,7 @@ SEQUENCE may be a list, a vector, a bool-vector, or a string.  */)
  len = Flength (sequence);
  leni = XINT (len);
  nargs = leni + leni - 1;
-  if (nargs < 0) return build_string ("");
+  if (nargs < 0) return empty_unibyte_string;

  SAFE_ALLOCA_LISP (args, nargs);