[vala] (8 commits) ...glib-2.0: Add AtomicUint, an alternation of AtomicInt for uint

[Rico Tzschichholz <ricotz src gnome org>]

Summary of changes:

  203be8b... vala: Avoid subsequent critical caused by invalid array typ (*)
  ae236e5... tests: Don't use invalid syntax to declare local variable w (*)
  4244751... vala: Don't loose invalid_syntax when copying array type fo (*)
  605e50e... vala: Improve error handling of nested initializer lists (*)
  01bf777... codegen: Cache type_symbol in get_param_spec() (*)
  3288117... codegen: Handle "gtk_param_spec_expression" in get_param_sp (*)
  619bed2... gtk4: Improve Gtk.ParamSpecExpression binding (*)
  006bb29... glib-2.0: Add AtomicUint, an alternation of AtomicInt for u (*)

(*) This commit already existed in another branch; no separate mail sent