GUI part of memleak fixes

gtk2_ardour/ardour_ui.cc

@@ -645,6 +645,7 @@ ARDOUR_UI::~ARDOUR_UI ()
 		delete nsm;
 		delete gui_object_state;
 		FastMeter::flush_pattern_cache ();
+		PixFader::flush_pattern_cache ();
 	}
 
 #ifndef NDEBUG

gtk2_ardour/editor.cc

@@ -814,6 +814,12 @@ Editor::~Editor()
 	delete _drags;
 	delete nudge_clock;
 	delete quantize_dialog;
+	delete _summary;
+	delete _group_tabs;
+	delete _regions;
+	delete _snapshots;
+	delete _locations;
+	delete _playlist_selector;
 }
 
 XMLNode*

gtk2_ardour/keyboard.cc

@@ -69,7 +69,7 @@ ArdourKeyboard::setup_keybindings ()
 
 	/* set up the per-user bindings path */
 
-	string lowercase_program_name = downcase (PROGRAM_NAME);
+	string lowercase_program_name = downcase (string(PROGRAM_NAME));
 
 	user_keybindings_path = Glib::build_filename (user_config_directory(), lowercase_program_name + ".bindings");
 

gtk2_ardour/mixer_ui.cc

@@ -92,6 +92,7 @@ Mixer_UI::Mixer_UI ()
 	, in_group_row_change (false)
 	, track_menu (0)
 	, _monitor_section (0)
+	, _plugin_selector (0)
 	, _strip_width (ARDOUR_UI::config()->get_default_narrow_ms() ? Narrow : Wide)
 	, ignore_reorder (false)
         , _in_group_rebuild_or_clear (false)
@@ -257,6 +258,7 @@ Mixer_UI::~Mixer_UI ()
 	if (_monitor_section) {
 		delete _monitor_section;
 	}
+	delete _plugin_selector;
 }
 
 void