[libclang] Indexing API:

-For indexDeclaration, also pass the declaration attributes as an array of cursors.
-Rename CXIndexOpt_OneRefPerFile -> CXIndexOpt_SuppressRedundantRefs, and only pass
  a reference if a declaration/definition does not exist in the file.
-Other fixes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144942 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/libclang.exports b/tools/libclang/libclang.exports
index 870f84c..2cb5436 100644
--- a/tools/libclang/libclang.exports
+++ b/tools/libclang/libclang.exports
@@ -135,6 +135,7 @@
 clang_getTypeDeclaration
 clang_getTypeKindSpelling
 clang_hashCursor
+clang_index_getIBOutletCollectionAttrInfo
 clang_index_getObjCCategoryDeclInfo
 clang_index_getObjCContainerDeclInfo
 clang_index_getObjCInterfaceDeclInfo