fixes DrMem i#816 + update user_data and flags when re-enabling previously   disabled wrap point
fixes DrMem i#816
+ update user_data and flags when re-enabling previously
  disabled wrap point

git-svn-id: ed337ca7cdb08c0ba29d8fe58632bb7686892c2d@1280 49cc7528-f6fd-11dd-9d1a-b59b2e1864b6

rnk/dynamorio,rnk/dynamorio,rnk/dynamorio,rnk/dynamorio,rnk/dynamorio