Use ecore_pipe to communicate with the burn progress thread instead of the bad way before.

experimental/ecdb/trunk/src/ecdb_common.h

@@ -55,9 +55,9 @@ struct _Ecdb_Project_Info
 {
 	/* The drive reference */
 	Ecdb_Drive_Info *drive;
-	BurnProgress progress;
 	BurnDriveStatus stat;
 	Ecore_Event_Handler *ev_handler;
+	Ecore_Pipe *pipe;
 	unsigned int type;
 };