little cmake fix
little cmake fix

pthulhu/eigen,cjntaylor/eigen,pasuka/eigen,TSC21/Eigen,TSC21/Eigen,TSC21/Eigen,pthulhu/eigen,pasuka/eigen,ROCmSoftwarePlatform/hipeigen,TSC21/Eigen,toastedcrumpets/eigen,madlib/eigen,ROCmSoftwarePlatform/hipeigen,pthulhu/eigen,madlib/eigen,toastedcrumpets/eigen,cjntaylor/eigen,ritsu1228/eigen,pasuka/eigen,ritsu1228/eigen,toastedcrumpets/eigen,pasuka/eigen,pthulhu/eigen,ROCmSoftwarePlatform/hipeigen,ROCmSoftwarePlatform/hipeigen,Zefz/eigen,Zefz/eigen,ritsu1228/eigen,pasuka/eigen,pthulhu/eigen,ritsu1228/eigen,cjntaylor/eigen,toastedcrumpets/eigen,Zefz/eigen,madlib/eigen,madlib/eigen,cjntaylor/eigen,Zefz/eigen,ritsu1228/eigen