fixes issue 919
fixes issue 919

Set CMAKE_BUILD_TYPE to ensure the proper exported target files are
generated.

SVN-Revision: 1613

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