Fix set_loop() return value (amend 00a4ad)

libs/ardour/ardour/route.h

@@ -153,7 +153,7 @@ public:
 	virtual void realtime_locate () {}
 	virtual void non_realtime_locate (samplepos_t);
 	virtual void set_pending_declick (int);
-	int set_loop (ARDOUR::Location *);
+	void set_loop (ARDOUR::Location *);
 
 	/* end of vfunc-based API */
 

libs/ardour/route.cc

@@ -5882,7 +5882,7 @@ Route::set_disk_io_point (DiskIOPoint diop)
 	processors_changed (RouteProcessorChange ()); /* EMIT SIGNAL */
 }
 
-int
+void
 Route::set_loop (Location* l)
 {
 	_loop_location = l;