Update.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14627 a5019735-40e9-0310-863c-91ae7b9d1cf9
Merge revisions 14210 and 14626 from the BUF_REMOVAL branch to trunk.
Change VG_(resolve_filename) to not truncate the result which is returned
in a static buffer now. Fix callsites.
Simplify VG_(di_notify_pdb_debuginfo) to use VG_(resolve_filename).
Fix VG_(readlink) prototype.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14628 a5019735-40e9-0310-863c-91ae7b9d1cf9