Get rid of VG_CLO_MAX_SFILES, VG_CLO_MAX_REQ_TSYMS, and
VG_CLO_MAX_FULLPATH_AFTER. As the dynamic memory manager is already
running at the point when we're disecting the command line, we can as
well allocate the required memory dynamically.


git-svn-id: svn://svn.valgrind.org/valgrind/branches/BUF_REMOVAL@14372 a5019735-40e9-0310-863c-91ae7b9d1cf9