Undefine printf before defining as forbidden, to handle cases where printf is a macro.
Undefine printf before defining as forbidden, to handle cases where printf
is a macro.

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