[vala] (18 commits) Non-fast-forward update to branch wip/sdl2

[Rico Tzschichholz <ricotz src gnome org>]

The branch 'wip/sdl2' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  e014e37... sdl2: Fix a few type problems and cname attribute issues
  d74fa85... sdl2: Fix cname issues of fields
  37b77a7... sdl2: Fix static methods
  a48f506... sdl2: Fix instance methods
  71e3515... sdl2: Attribute GL.ContextFlag with Flags

Commits added to the branch:

  cc5a56e... codewriter: Append new-line for nested block statements (*)
  bb97ca5... vala: Don't prepend "unowned" in VarType and leave that to  (*)
  3037b41... girparser: Apply "delegate_target" metadata for methods and (*)
  af09ff6... gtk+-3.0,gtk4: Fix some delegate return values and paramete (*)
  9c4e3b8... cairo: Fix a few binding errors (*)
  b2e9ff0... cairo: Fix some ctor binding errors (*)
  f71062f... gio-2.0: Fix binding of PollableOutputStream.write*_nonbloc (*)
  c3db423... gio-2.0,gtk+-3.0,gtk4: Drop explicit c-type attributes of v (*)
  58ca154... gobject-2.0: Fix a few binding errors (*)
  f55521c... pango: Fix a few binding errors (*)
  7165dd8... goocanvas-2.0: Fix some field types (*)
  4f2b9d6... vala: Add CallableExpression interface for MethodCall/Objec (*)
  38e19ac... sdl2: Fix a few type problems and cname attribute issues
  ef7fb37... sdl2: Fix cname issues of fields
  54b7427... sdl2: Fix static methods
  ad3bde5... sdl2: Fix instance methods
  a154b64... sdl2: Attribute GL.ContextFlag with Flags
  d0e9184... sdl2: Some more parameter problems and cname attribute issu

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