[MacPorts] #23069: Update gtkspell2 to 2.0.16 and apply patch

[MacPorts]

#23069: Update gtkspell2 to 2.0.16 and apply patch
--------------------------------+-------------------------------------------
 Reporter:  royliu@…            |       Owner:  macports-tickets@…                   
     Type:  defect              |      Status:  new                                  
 Priority:  Normal              |   Milestone:                                       
Component:  ports               |     Version:  1.8.1                                
 Keywords:                      |        Port:                                       
--------------------------------+-------------------------------------------
 While trying to build gtkspell2, I encountered a build error because of
 compatibilities with revision 62058 of gtk-doc.  Also, version of 2.0.16
 has been release.  Please a rather simple patch and Portfile attached.

-- 
Ticket URL: <http://trac.macports.org/ticket/23069>
MacPorts <http://www.macports.org/>
Ports system for Mac OS