[Click] KernelFilter patch

[Beyers Cronje]

Hi guys,

The patch below fixes a bug in KernelFilter::device_filter. As per access()
man page, on success (all requested permissions granted), zero is returned.

Beyers

!!!!!!!!!!!!!!!!!!!!!!!!!!!!

--- kernelfilter.cc.orig        2010-10-30 00:46:31.973642384 +0200
+++ kernelfilter.cc     2010-10-30 00:56:48.449641054 +0200
@@ -85,9 +85,9 @@
     StringAccum cmda;
     if (iptables_command)
        cmda << iptables_command;
-    else if (access("/sbin/iptables", X_OK))
+    else if (access("/sbin/iptables", X_OK) == 0)
        cmda << "/sbin/iptables";
-    else if (access("/usr/sbin/iptables", X_OK))
+    else if (access("/usr/sbin/iptables", X_OK) == 0)
        cmda << "/usr/sbin/iptables";
     else
        return errh->error("no %<iptables%> executable found");