Change a reference to a regular variable. This fixes an intermittent valgrind warning...

git-svn-id: https://stp-fast-prover.svn.sourceforge.net/svnroot/stp-fast-prover/trunk/stp@673 e59a4935-1847-0410-ae03-e826735625c1

diff --git a/src/parser/LetMgr.h b/src/parser/LetMgr.h
index e63a224fcbb80d0d83780ba04544f38bc5ed9f95..78ce39ca5e3f1856fbaefedcc1ddbcbfb9643c2e 100644 (file)
--- a/src/parser/LetMgr.h
+++ b/src/parser/LetMgr.h
@@ -18,7 +18,7 @@ namespace BEEV
   {
   private:
 
-    const ASTNode& ASTUndefined;
+    const ASTNode ASTUndefined;
 
        // MAP: This map is from bound IDs that occur in LETs to
     // expression. The map is useful in checking replacing the IDs