bgo#612490 - Use gtk_accessible_set_widget() for the GSEAL()ed field
bgo#612490 - Use gtk_accessible_set_widget() for the GSEAL()ed field

This requires GTK+ 2.22.0.

Signed-off-by: Federico Mena Quintero <4999915a961edfd7686112c2935288e1266eae14@novell.com>

lanoxx/libwnck,Sidnioulz/SandboxLibwnck,lanoxx/libwnck,Sidnioulz/SandboxLibwnck