From 36cd69f310c3623cac306842b93147460f7fe554 Mon Sep 17 00:00:00 2001
From: Robert Hatcher <rhatcher@fnal.gov>
Date: Thu, 11 May 2023 11:00:42 -0500
Subject: [PATCH] add missing foward declaration needed if first in dictionary
 making list

---
 src/RwCalculators/GReWeightNuXSecCCQEvec.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/RwCalculators/GReWeightNuXSecCCQEvec.h b/src/RwCalculators/GReWeightNuXSecCCQEvec.h
index 4a7d7ca6..61e00fca 100644
--- a/src/RwCalculators/GReWeightNuXSecCCQEvec.h
+++ b/src/RwCalculators/GReWeightNuXSecCCQEvec.h
@@ -37,6 +37,7 @@ class TNtupleD;
 namespace genie {
 
 class XSecAlgorithmI;
+class XSecIntegratorI;
 
 namespace rew   {