Patch upstream's custom script for dependency-generation
to avoid using overly-long sed commands. This is achieved
by separating one large command (-e "cmd1;cmd2;...") into
multiple ones (-e "cmd1" -e "cmd2" ...).

The long command was hitting our sed's limit of 2048...

PR:		177018
Approved by:	maintainer (makc)
Sponsored by:	United Wallabies


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@374612 35697150-7ecd-e111-bb59-0022644237b5