core: Add core :: deinit() function

Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>

core/core.cpp

@@ -21,3 +21,9 @@ void core :: init()
 	deck     :: init();
 	audio    :: init();
 }
+
+void core :: deinit()
+{
+	filter_deinit();
+	tags_deinit();
+}

gui/ocarina.cpp

@@ -58,5 +58,7 @@ int main(int argc, char **argv)
 	ocarina_app->run(*window);
 	cleanup_tabs();
 	gst :: quit();
+	core :: deinit();
+
 	return 0;
 }

include/core/core.h

@@ -15,6 +15,7 @@ namespace core
 	 * databases from disk and setting up gstreamer.
 	 */
 	void init();
+	void deinit();
 
 }