Add recipe for netpanzer.

http://ports.haiku-files.org/ticket/340

games-strategy/netpanzer/patches/netpanzer-0.8.6.patchset

@@ -0,0 +1,34 @@
+From 40ea57fdd0aab9b658adf7c4584103789785dbd5 Mon Sep 17 00:00:00 2001
+From: Adrien Destugues <pulkomandy@gmail.com>
+Date: Thu, 11 Jun 2015 01:54:41 +0200
+Subject: Haiku hacks.
+
+
+diff --git a/SConstruct b/SConstruct
+index bb8279e..a61b0ad 100644
+--- a/SConstruct
++++ b/SConstruct
+@@ -244,6 +244,7 @@ else:
+     # note: for some magic reason, now doesn't need to put the full path for
+     # SDL_mixer when using mingw crosscompilation
+     env.Append( LIBS = ['SDL_mixer' ] )
++    env.Append( LIBS = ['network' ] )
+ 
+ ################################################################
+ # Makes libs
+diff --git a/src/Lib/Network/SocketSet.hpp b/src/Lib/Network/SocketSet.hpp
+index 1cefe1f..1b9c730 100644
+--- a/src/Lib/Network/SocketSet.hpp
++++ b/src/Lib/Network/SocketSet.hpp
+@@ -22,6 +22,8 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ #include "SocketBase.hpp"
+ #include "Util/NoCopy.hpp"
+ 
++#include <sys/select.h>
++
+ namespace network
+ {
+ 
+-- 
+2.2.2
+