Updated Irish translation
Update config.h.win32(.in)

Define _GDK_EXTERN more in line with the definition of it on Windows as
defined in configure.ac, and add a MinGW variant for it as well
wayland: fix crash in gdk_window_wayland_get_root_coords().

Both root_x and root_y may be NULL, so check first before setting.
Remove leftover from commit 889e63faedccf8b3ec0e48861be65794aac60367
Don't access memory after freeing it when destroying a tick callback

https://bugzilla.gnome.org/show_bug.cgi?id=704278
a11y: Check whether a widget is mapped before querying its parent

Call gtk_widget_get_mapped() in a couple of places before looking at the
widget's parent, since it might be set to a widget that has been
finalized, causing an invalid read.