getgrouplist(): ...add files which I forgot to add.

libc/pwd_grp/__getgrouplist_internal.c

@@ -0,0 +1,8 @@
+/*
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#define L___getgrouplist_internal
+#include "pwd_grp.c"

libc/pwd_grp/getgrouplist.c

@@ -0,0 +1,8 @@
+/*
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#define L_getgrouplist
+#include "pwd_grp.c"