libclang: change CXCursor to store 'const void *' pointers for
const-correctness, and update all users

llvm-svn: 172252
diff --git a/clang/tools/libclang/CIndexCXX.cpp b/clang/tools/libclang/CIndexCXX.cpp
index 6a1b7de..d069d41 100644
--- a/clang/tools/libclang/CIndexCXX.cpp
+++ b/clang/tools/libclang/CIndexCXX.cpp
@@ -26,7 +26,7 @@
   if (C.kind != CXCursor_CXXBaseSpecifier)
     return 0;
   
-  CXXBaseSpecifier *B = getCursorCXXBaseSpecifier(C);
+  const CXXBaseSpecifier *B = getCursorCXXBaseSpecifier(C);
   return B->isVirtual();
 }