Move config directory from /usr/etc to /etc

pkg.info

@@ -1,7 +1,7 @@
 name: iptables
 description: userspace CLI program used to configure the Linux packet filtering ruleset
 version: 1.8.11
-revision: 4
+revision: 5
 url: https://www.netfilter.org/projects/iptables/index.html
 license: GPL2-only
 architecture: any

source.sh

@@ -5,7 +5,7 @@
 # The build function is executed in the source directory
 # This function is used to compile the source code
 build() {
-  ./configure --prefix=/usr --enable-bpf-compiler --enable-devel --enable-libipq --enable-shared
+  ./configure --prefix=/usr --sysconfdir=/etc --enable-bpf-compiler --enable-devel --enable-libipq --enable-shared
   make
 }