[libclang] Refactor the important stuff in clang_getCursor into a cxcursor::getCursor(CXTranslationUnit, SourceLocation) function.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140588 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed