n-i-bz: Replace non-POSIX bzero with proper memset. At least for internal-only, Darwin functionality. Picked up by cppcheck. No regressions within test suite.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14990 a5019735-40e9-0310-863c-91ae7b9d1cf9
1 file changed