Simplify code a bit by using CallArgList::add.  No intended functionality change.

llvm-svn: 130699
diff --git a/clang/lib/CodeGen/CGDecl.cpp b/clang/lib/CodeGen/CGDecl.cpp
index d496982..c027375 100644
--- a/clang/lib/CodeGen/CGDecl.cpp
+++ b/clang/lib/CodeGen/CGDecl.cpp
@@ -392,8 +392,8 @@
         CGF.Builder.CreateBitCast(Addr, CGF.ConvertType(ArgTy));
 
       CallArgList Args;
-      Args.push_back(std::make_pair(RValue::get(Arg),
-                            CGF.getContext().getPointerType(Var.getType())));
+      Args.add(RValue::get(Arg),
+               CGF.getContext().getPointerType(Var.getType()));
       CGF.EmitCall(FnInfo, CleanupFn, ReturnValueSlot(), Args);
     }
   };