i#1642 fixed bug on reload with SymLoadModuleExW in load_module
i#1642 fixed bug on reload with SymLoadModuleExW in load_module

Fixes #1642

Review-URL: https://codereview.appspot.com/214520043

sigma-random/dynamorio,AmesianX/dynamorio,daksunt/dynamorio,bl4ckic3/dynamorio,code4bones/dynamorio,AmesianX/dynamorio,sigma-random/dynamorio,sigma-random/dynamorio,AmesianX/dynamorio,daksunt/dynamorio,AmesianX/dynamorio,sigma-random/dynamorio,code4bones/dynamorio,daksunt/dynamorio,daksunt/dynamorio,code4bones/dynamorio,sigma-random/dynamorio,bl4ckic3/dynamorio,bl4ckic3/dynamorio,daksunt/dynamorio,bl4ckic3/dynamorio,code4bones/dynamorio,AmesianX/dynamorio,bl4ckic3/dynamorio,code4bones/dynamorio