Announce fix for BZ #336957


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14154 a5019735-40e9-0310-863c-91ae7b9d1cf9
Track vex r2891 (add Iop_Reverse1sIn8_x16). Unbreak build.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14155 a5019735-40e9-0310-863c-91ae7b9d1cf9