* autogen: Invoke automake with --add-missing.
* config/compile, config/config.guess, config/config.sub,
* config/depcomp, config/install-sh, config/missing,
* config/mkinstalldirs, config/ylwrap: Upgrade from automake-1.11.6


git-svn-id: https://amanda.svn.sourceforge.net/svnroot/amanda/amanda/trunk@5138 a8d146d6-cc15-0410-8900-af154a0219e0