[MacPorts] #20570: gtk2hs: allow cairo-devel to satisfy cairo dependency

[MacPorts]

#20570: gtk2hs: allow cairo-devel to satisfy cairo dependency
-------------------------------------+--------------------------------------
 Reporter:  ryandesign@…             |       Owner:  gwright@…           
     Type:  enhancement              |      Status:  new                 
 Priority:  Normal                   |   Milestone:                      
Component:  ports                    |     Version:  1.7.1               
 Keywords:                           |        Port:  gtk2hs              
-------------------------------------+--------------------------------------
 Could you change the cairo dependency in gtk2hs so that cairo-devel could
 satisfy it? The attached patch does this.

-- 
Ticket URL: <http://trac.macports.org/ticket/20570>
MacPorts <http://www.macports.org/>
Ports system for Mac OS