HandleLLVMOptions.cmake: Typo, s/proerty/property/

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200556 91177308-0d34-0410-b5e6-96231b3b80d8
AddLLVM.cmake: Untabify.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200557 91177308-0d34-0410-b5e6-96231b3b80d8