libclang: fix two memory leaks (PR26292)
libclang: fix two memory leaks (PR26292)

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@265994 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit 634da19447e38e04accee3e70bc5a26d56b3fbbd)

apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang