minor fixes to pickler (hopefully fixes Debian build from last night)

diff --git a/src/expr/pickler.h b/src/expr/pickler.h
index dee4f06e6886743a8bc35e7f9c2b3380a6cb0ecc..b98b79681d10a949e14411c9816b4018b37a6ec2 100644 (file)
--- a/src/expr/pickler.h
+++ b/src/expr/pickler.h
@@ -101,7 +101,7 @@ public:
 
 };/* class Pickler */
 
-class MapPickler : public Pickler {
+class CVC4_PUBLIC MapPickler : public Pickler {
 private:
   const VarMap& d_toMap;
   const VarMap& d_fromMap;
@@ -113,6 +113,8 @@ public:
     d_fromMap(from) {
   }
 
+  virtual ~MapPickler() throw() {}
+
 protected:
 
   virtual uint64_t variableToMap(uint64_t x) const