move AC_GNU_SOURCE higher up as required
diff --git a/configure.in b/configure.in
index f8288f4..29cad22 100644
--- a/configure.in
+++ b/configure.in
@@ -21,6 +21,9 @@
AC_INIT(src/flac/main.c)
AM_INIT_AUTOMAKE(flac, 1.1.1)
+dnl In order to have access to any available wcsdup() and wcscasecmp()
+AC_GNU_SOURCE
+
# Don't automagically regenerate autoconf/automake generated files unless
# explicitly requested. Eases autobuilding -mdz
AM_MAINTAINER_MODE
@@ -36,9 +39,6 @@
AC_PROG_CXX
AC_PROG_MAKE_SET
-dnl In order to have access to any available wcsdup() and wcscasecmp()
-AC_GNU_SOURCE
-
dnl check for getopt in standard library
dnl AC_CHECK_FUNCS(getopt_long , , [LIBOBJS="$LIBOBJS getopt.o getopt1.o"] )
AC_CHECK_FUNCS(getopt_long, [], [])