fixes issue 558 add segment register update instruction after set_thread_area system call to enforce the segment  information is updated by hardware.
fixes issue 558
add segment register update instruction after set_thread_area system call to enforce the segment 
information is updated by hardware.


SVN-Revision: 1038

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