Fix crash at -verbose 3 where alloc_routine_entry_t is de-referenced after freeing it from the hashtable.
Fix crash at -verbose 3 where alloc_routine_entry_t is
de-referenced after freeing it from the hashtable.

git-svn-id: fe3cd4388a6e5a968b09397a3d721fe124e8117a@1237 5b54908e-ead4-fc18-b48a-0285e6dbc711

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