[libclang] Have clang_getCXXAccessSpecifier() also return the access control of a C++ declaration within its parent scope.

Suggested by Stefan Seefeld.

llvm-svn: 179297
diff --git a/clang/tools/libclang/CIndexCXX.cpp b/clang/tools/libclang/CIndexCXX.cpp
index c68dde7..a3d2364 100644
--- a/clang/tools/libclang/CIndexCXX.cpp
+++ b/clang/tools/libclang/CIndexCXX.cpp
@@ -33,7 +33,7 @@
 enum CX_CXXAccessSpecifier clang_getCXXAccessSpecifier(CXCursor C) {
   AccessSpecifier spec = AS_none;
 
-  if (C.kind == CXCursor_CXXAccessSpecifier)
+  if (C.kind == CXCursor_CXXAccessSpecifier || clang_isDeclaration(C.kind))
     spec = getCursorDecl(C)->getAccess();
   else if (C.kind == CXCursor_CXXBaseSpecifier)
     spec = getCursorCXXBaseSpecifier(C)->getAccessSpecifier();