From 1ca45fd83001328a63db4904e32276a7a23c9815 Mon Sep 17 00:00:00 2001
From: Richard Roberts <richard.jw.roberts@gmail.com>
Date: Sat, 10 Sep 2011 21:32:39 +0000
Subject: [PATCH] Fixed missing return bug

---
 gtsam/nonlinear/ISAM2-impl-inl.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gtsam/nonlinear/ISAM2-impl-inl.h b/gtsam/nonlinear/ISAM2-impl-inl.h
index be15624b0..dfd9f633f 100644
--- a/gtsam/nonlinear/ISAM2-impl-inl.h
+++ b/gtsam/nonlinear/ISAM2-impl-inl.h
@@ -106,6 +106,7 @@ FastSet<Index> ISAM2<CONDITIONAL,VALUES>::Impl::CheckRelinearization(Permuted<Ve
       relinKeys.insert(var);
     }
   }
+  return relinKeys;
 }
 
 }