analysis: Fix logic when analysing a function
analysis: Fix logic when analysing a function

If no version is set for a dependency requirement, we should not ignore those functions.

Related to https://github.com/gtk-rs/gtk4-rs/issues/1054
gtk-rs/gir,gtk-rs/gir,GuillaumeGomez/gir,GuillaumeGomez/gir,gtk-rs/gir,GuillaumeGomez/gir