i#1648: DR annotation tests: fix build error
i#1648: DR annotation tests: fix build error

Fix the if/else comment in the suite cmake.

Review-URL: https://codereview.appspot.com/228760043

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