use bitmap* for comparison. can compare Bitmap* 'cos all bitmaps are created from bitmaps factory class. MUST ensure this is the case

1 files changed, 1 insertions, 1 deletions

diff --git a/moses/BitmapContainer.h b/moses/BitmapContainer.h
index 79323eb27..2840e62d9 100644
--- a/moses/BitmapContainer.h
+++ b/moses/BitmapContainer.h
@@ -202,7 +202,7 @@ public:
 class BitmapContainer
 {
 private:
-  const Bitmap m_bitmap;
+  const Bitmap &m_bitmap;
   HypothesisStackCubePruning &m_stack;
   HypothesisSet m_hypotheses;
   BackwardsEdgeSet m_edges;