[gtk] (25 commits) Non-fast-forward update to branch wip.win32.fixes

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

The branch 'wip.win32.fixes' 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:

  1dc7f90... demos/gtk-demo: Temporarily disable gui_app attribute
  63c0cb9... gdkevents-win32.c: Clean up WM_ACTIVATE handling a bit

Commits added to the branch:

  dfabe74... Make filter constructors return exact types (*)
  24389a0... Make sorter constructors return exact types (*)
  0092a08... gtk-demo: Add shadertoy demo (*)
  ec49b68... Update French translation (*)
  45c61fd... Update Persian translation (*)
  cb2b068... Merge branch 'filter-constructors' into 'master' (*)
  710ef69... Updated Czech translation (*)
  73b46ea... Updated Danish translation of gtk (*)
  33e633c... Updated Danish translation of gtk-properties (*)
  81c835c... Fix warning in listview_settings demo (*)
  859df74... Merge branch 'sorter-constructor-fix-warning' into 'master' (*)
  31a7574... Import egg-secure-memory allocator from gcr (*)
  107e490... Check for mlock() (*)
  9dc5c6a... Move g_autoptr macro for GtkEntryBuffer (*)
  fb99bde... Add a secure GtkEntryBuffer (*)
  7cda32d... Use GtkPasswordEntryBuffer in GtkPasswordEntry (*)
  ae97284... docs: Add a note on GtkPasswordEntry's secure storage (*)
  3921476... Merge branch 'shadertoy-demo' into 'master' (*)
  887d0b7... Merge branch 'ebassi/secure-buffer' into 'master' (*)
  d6807b9... shadertoy demo: Cosmetic fixes (*)
  3d10b28... Merge branch 'matthiasc/for-master' into 'master' (*)
  9e8e78d... demos/gtk-demo: Temporarily disable gui_app attribute
  60a07f3... gdkevents-win32.c: Clean up WM_ACTIVATE handling a bit
  ed0443e... gtksecurememory.c: Don't include unistd.h unconditionally
  e8d28c8... gtksecurememory.c: Port secure memory allocation to Windows

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