[gtk+] Add gtkfilechoosernativequart.c to meson build

[Matthias Clasen <matthiasc src gnome org>]

commit d4b1cc3f569654202cf1dee35adcfe50905b00cf
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Jul 18 13:35:21 2017 -0400

    Add gtkfilechoosernativequart.c to meson build
    
    We have two build systems now, for good measure.

 gtk/meson.build |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/meson.build b/gtk/meson.build
index 1209c38..a265509 100644
--- a/gtk/meson.build
+++ b/gtk/meson.build
@@ -659,6 +659,7 @@ if quartz_enabled
     'gtkmountoperation-stub.c',
     'gtkapplication-quartz.c',
     'gtkapplication-quartz-menu.c',
+    'gtkfilechoosernativequartz.c',
     'gtkquartz.c',
   ]
   gtk_cargs += ['-xobjective-c']  # FIXME? maybe add_languages() instead?