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-rw-r--r--libs/ardour/ardour/session_configuration.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libs/ardour/ardour/session_configuration.h b/libs/ardour/ardour/session_configuration.h
index 20df86ca4d..d19c28f0cb 100644
--- a/libs/ardour/ardour/session_configuration.h
+++ b/libs/ardour/ardour/session_configuration.h
@@ -29,7 +29,7 @@ class SessionConfiguration : public Configuration
public:
SessionConfiguration ();
- void map_parameters (sigc::slot<void, std::string>);
+ void map_parameters (boost::function<void (std::string)>&);
int set_state (XMLNode const &, int version);
XMLNode& get_state ();
XMLNode& get_variables ();