Gtk not building.

[Lars Gullik Bjønnes]

I have this problem:

GExternal.C:172: error: passing 'const lyx::frontend::GtkLengthEntry' as 'this' 
argument of 'Gtk::SpinButton* lyx::frontend::GtkLengthEntry::get_spin()' 
discards qualifiers

(and if I try to fix this, I get other problems)

Do others see this?

-- 
        Lgb