examples/analyzer-plugin/: unbreak build
examples/analyzer-plugin/: unbreak build

It was never updated for API changes in r149311/r149336/r149339
and r147688.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@150202 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang