libsdl-net: refresh libtool2.patch

Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>

dependencies/libsdl-net/libsdl-net/libtool2.patch

@@ -1,13 +1,21 @@
-Index: SDL_net-1.2.7/configure.in
-===================================================================
---- SDL_net-1.2.7.orig/configure.in	2007-07-20 14:40:02.000000000 +0200
-+++ SDL_net-1.2.7/configure.in	2008-07-24 00:41:04.282718579 +0200
-@@ -42,6 +42,8 @@
+From f9417c864183a0f6d0e90f66f5254a63b04a041a Mon Sep 17 00:00:00 2001
+From: Denis 'GNUtoo' Carikli <GNUtoo@no-log.org>
+Date: Wed, 17 Oct 2012 20:51:51 +0200
+
+---
+ configure.in | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/configure.in b/configure.in
+index c42bd0c..71a4825 100644
+--- a/configure.in
++++ b/configure.in
+@@ -44,6 +44,8 @@ AC_CANONICAL_HOST
  dnl Setup for automake
  AM_INIT_AUTOMAKE(SDL_net, $VERSION)
  
 +dnl got macros
 +AC_CONFIG_MACRO_DIR([acinclude])
  dnl Check for tools
- 
- AC_LIBTOOL_WIN32_DLL
+ AC_PROG_LIBTOOL
+ AC_PROG_CC