[package] lxc: add new package

git-svn-id: svn://svn.openwrt.org/openwrt/packages@36651 3c298f89-4303-0410-b956-a3cf2f4a3e73

utils/lxc/patches/020-lxc-checkconfig.patch

@@ -0,0 +1,20 @@
+--- a/src/lxc/lxc-checkconfig.in
++++ b/src/lxc/lxc-checkconfig.in
+@@ -3,6 +3,17 @@
+ # Allow environment variables to override grep and config
+ : ${CONFIG:=/proc/config.gz}
+ : ${GREP:=zgrep}
++: ${ZGREP:=zgrep}
++: ${GUNZIP:=gunzip}
++
++if [ -z $(which $ZGREP) ] && ! [ -z $(which $GUNZIP) ] && [ -x $(which $GUNZIP) ] &&  [ -f $CONFIG ] && [ "$CONFIG" == "/proc/config.gz" ] ; then
++
++	CONFIG_NEW="/tmp/config-$(uname -r)"
++	$GUNZIP -c $CONFIG > $CONFIG_NEW
++	CONFIG=$CONFIG_NEW
++
++	GREP=grep
++fi
+ 
+ SETCOLOR_SUCCESS="printf \\033[1;32m"
+ SETCOLOR_FAILURE="printf \\033[1;31m"