Add checks for setlocale() and <locale.h>
diff --git a/config.h.in b/config.h.in
index 15c060b..382c46d 100644
--- a/config.h.in
+++ b/config.h.in
@@ -244,6 +244,9 @@
/* Define if you have the setgid function. */
#undef HAVE_SETGID
+/* Define if you have the setlocale function. */
+#undef HAVE_SETLOCALE
+
/* Define if you have the setpgid function. */
#undef HAVE_SETPGID
@@ -310,6 +313,9 @@
/* Define if you have the <limits.h> header file. */
#undef HAVE_LIMITS_H
+/* Define if you have the <locale.h> header file. */
+#undef HAVE_LOCALE_H
+
/* Define if you have the <ncurses.h> header file. */
#undef HAVE_NCURSES_H