[gtk] (5 commits) Non-fast-forward update to branch win32-egl-cleanup

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

The branch 'win32-egl-cleanup' 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:

  da71bff... GDK-Win32: Drop GDK_WIN32_ENABLE_EGL flag
  eec9fcc... GDK-Win32: Port to common EGL handling code

Commits added to the branch:

  0775e21... Add support for pango markup in menu items (*)
  9f1e9b6... Merge branch 'wip/cdavis/menu-item-markup' into 'master' (*)
  8847291... GDK-Win32: Drop GDK_WIN32_ENABLE_EGL flag
  c54aad3... GDK-Win32: Port to common EGL handling code
  c80af5e... gdkdisplay-win32.c: Fix builds without EGL

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