[analyzer] Fix typo.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174679 91177308-0d34-0410-b5e6-96231b3b80d8
[analyzer] Remove redundant check as per Jordan's feedback.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174680 91177308-0d34-0410-b5e6-96231b3b80d8