fixes issue 796 - replace client_handle_mmap(pt, ...) with client_handle_mmap(drcontext, ...)
fixes issue 796
- replace client_handle_mmap(pt, ...) with client_handle_mmap(drcontext, ...)

git-svn-id: fe3cd4388a6e5a968b09397a3d721fe124e8117a@770 5b54908e-ead4-fc18-b48a-0285e6dbc711

rnk/drmemory,rnk/drmemory,rnk/drmemory,rnk/drmemory