fix crashes in markmatch / unmarkmatch caused by taking a reference to a...

fix crashes in markmatch / unmarkmatch caused by taking a reference to a shared pointer instead of just making a copy, and a typo

libwccl/ops/match/actions/markmatch.h

@@ -76,9 +76,9 @@ protected:
 	 */
 	virtual std::ostream& write_to(std::ostream& ostream) const;
 private:
-	const boost::shared_ptr<Function<Match> >& match_from_;
-	const boost::shared_ptr<Function<Match> >& match_to_;
-	const boost::shared_ptr<Function<Match> >& head_match_;
+	const boost::shared_ptr<Function<Match> > match_from_;
+	const boost::shared_ptr<Function<Match> > match_to_;
+	const boost::shared_ptr<Function<Match> > head_match_;
 	const std::string chan_name_;
 };
 

libwccl/ops/match/actions/unmarkmatch.h

@@ -16,7 +16,7 @@ public:
 	UnmarkMatch(
 			const boost::shared_ptr<Function<Match> >& match,
 			const std::string& annotation_name)
-		: match_(match_),
+		: match_(match),
 		  chan_name_(annotation_name)
 	{
 		BOOST_ASSERT(match_);
@@ -49,7 +49,7 @@ protected:
 	 */
 	virtual std::ostream& write_to(std::ostream& ostream) const;
 private:
-	const boost::shared_ptr<Function<Match> >& match_;
+	const boost::shared_ptr<Function<Match> > match_;
 	const std::string chan_name_;
 };