[libclang] Expose AutoType

Expose the AutoType via LibClang and python bindings

Differential Revision: http://reviews.llvm.org/D13000

llvm-svn: 253165
diff --git a/clang/include/clang-c/Index.h b/clang/include/clang-c/Index.h
index fd8fb13..8896dc2 100644
--- a/clang/include/clang-c/Index.h
+++ b/clang/include/clang-c/Index.h
@@ -2860,7 +2860,8 @@
   CXType_IncompleteArray = 114,
   CXType_VariableArray = 115,
   CXType_DependentSizedArray = 116,
-  CXType_MemberPointer = 117
+  CXType_MemberPointer = 117,
+  CXType_Auto = 118
 };
 
 /**