fixes issue 646 + explicitly set asm list to "gas as" for newer cmake
fixes issue 646
+ explicitly set asm list to "gas as" for newer cmake

SVN-Revision: 1207

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