[packages] openssh: remove ssh and scp symlinks to dropbear when openssh-client is 
installed and create them again when openssh-client is removed and dropbear is installed

Signed-off-by: Peter Wagner <tripolar@gmx.at>


git-svn-id: svn://svn.openwrt.org/openwrt/packages@38864 3c298f89-4303-0410-b956-a3cf2f4a3e73