Add support for blocks with explicit return types.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63784 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/Sema.h b/lib/Sema/Sema.h
index 4879ac8..975c5e1 100644
--- a/lib/Sema/Sema.h
+++ b/lib/Sema/Sema.h
@@ -1209,7 +1209,7 @@
   
   /// ActOnBlockArguments - This callback allows processing of block arguments.
   /// If there are no arguments, this is still invoked.
-  virtual void ActOnBlockArguments(Declarator &ParamInfo);
+  virtual void ActOnBlockArguments(Declarator &ParamInfo, Scope *CurScope);
   
   /// ActOnBlockError - If there is an error parsing a block, this callback
   /// is invoked to pop the information about the block from the action impl.