libclang python bindings: Fix for bug 26394
libclang python bindings: Fix for bug 26394

Summary:
https://llvm.org/bugs/show_bug.cgi?id=26394 reports that clang's python bindings tests are failing.

I can confirm that the bug exists and that the proposed fix is good.

Differential Revision: http://reviews.llvm.org/D17226

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@263170 91177308-0d34-0410-b5e6-96231b3b80d8

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