Fix VG_(calloc)() so it actually zeroes the entire memory area it allocates.
Also rename the variables involve to lessen the chance of such confusion        
occurring again.  

MERGED FROM CVS HEAD


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3274 a5019735-40e9-0310-863c-91ae7b9d1cf9
3 files changed