added patch for f18 gcc for undeclared null

conntrack-tools-NULL.patch

@@ -0,0 +1,13 @@
+diff -Naur conntrack-tools-1.0.1-orig/src/parse.c conntrack-tools-1.0.1/src/parse.c
+--- conntrack-tools-1.0.1-orig/src/parse.c	2012-01-04 11:48:15.490258748 -0500
++++ conntrack-tools-1.0.1/src/parse.c	2012-05-07 22:49:51.590626617 -0400
+@@ -16,6 +16,9 @@
+  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+  */
+ 
++/* for NULL :P */
++#include <stddef.h>
++
+ #include "network.h"
+ 
+ #include <libnetfilter_conntrack/libnetfilter_conntrack.h>

conntrack-tools.spec

@@ -8,6 +8,7 @@ URL:            http://netfilter.org
 Source0:        http://netfilter.org/projects/%{name}/files/%{name}-%{version}.tar.bz2
 Source1:        conntrackd.service
 Source2:        conntrackd.conf
+Patch1:         conntrack-tools-NULL.patch
 BuildRequires:  libnfnetlink-devel >= 1.0.0, libnetfilter_conntrack-devel >= 0.9.1
 BuildRequires:  pkgconfig bison flex
 Provides:       conntrack = 1.0-1
@@ -39,6 +40,7 @@ show an event message (one line) per newly established connection.
 
 %prep
 %setup -q
+%patch1 -p1 
 
 %build
 %configure --disable-static
@@ -80,6 +82,7 @@ fi
 - Updated to 1.0.1
 - Added daemon using systemd and configuration file
 - Removed legacy spec requirements
+- Patch for: parse.c:240:34: error: 'NULL' undeclared 
 
 * Thu Jan 12 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.0.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass_Rebuild