Dropping some else-after-returns. No functional changes intended.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@214526 91177308-0d34-0410-b5e6-96231b3b80d8
Update build instructions for the clang-format VS plugin

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@214529 91177308-0d34-0410-b5e6-96231b3b80d8