firewall: fix handling of tcp_ecn parameter

The firewall3 implementation as well as the shell implementation predating it
used to process the tcp_ecnoption as boolean while it actually is an integer.

Change the code to parse tcp_ecn as integer.

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39122 3c298f89-4303-0410-b956-a3cf2f4a3e73
busybox: restore init scripts

Since the removal of the busybox menuconfig entries, the init scripts
for cron, telnet and ntp are not packaged anymore. Unconditionally
ship them from now on.

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39123 3c298f89-4303-0410-b956-a3cf2f4a3e73