Add libclang API hook "clang_getIBOutletCollectionType" to query the collection type for iboutletcollection attributes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112139 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CXCursor.cpp b/tools/libclang/CXCursor.cpp
index be3623f..318fd51 100644
--- a/tools/libclang/CXCursor.cpp
+++ b/tools/libclang/CXCursor.cpp
@@ -358,6 +358,10 @@
   return (Stmt *)Cursor.data[1];
 }
 
+Attr *cxcursor::getCursorAttr(CXCursor Cursor) {
+  return (Attr *)Cursor.data[1];
+}
+
 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) {
   return getCursorASTUnit(Cursor)->getASTContext();
 }