add Ruler to Canvas fwd.h

This commit is contained in:
Paul Davis 2014-06-11 23:51:45 -04:00
parent cd29e0b7cc
commit def1f12164

View file

@ -26,6 +26,7 @@ namespace ArdourCanvas {
class Line;
class LineSet;
class Rectangle;
class Ruler;
class Polygon;
class PolyLine;
class GtkCanvas;