Two more definitions required by libsupc++ (_sleb128_t and _uleb128_t)

Differential Revision: http://llvm-reviews.chandlerc.com/D1542

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@189558 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Headers/unwind.h b/lib/Headers/unwind.h
index c2f38f3..618de04 100644
--- a/lib/Headers/unwind.h
+++ b/lib/Headers/unwind.h
@@ -72,6 +72,9 @@
 typedef uintptr_t _Unwind_Internal_Ptr;
 typedef uint64_t _Unwind_Exception_Class;
 
+typedef intptr_t _sleb128_t;
+typedef uintptr_t _uleb128_t;
+
 struct _Unwind_Context;
 struct _Unwind_Exception;
 typedef enum {