[gtk] (2 commits) Non-fast-forward update to branch win32-nahimic-nv-notes-3

[Chun-wei Fan <fanchunwei src gnome org>]

The branch 'win32-nahimic-nv-notes-3' 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:

  c3c8e23... README.win32: Add note on using OpenGL on Windows

Commits added to the branch:

  2cb920a... Update Catalan translation (*)
  489f219... README.win32: Add note on using OpenGL on Windows

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