[gtk/wip/fanc999/gtk-3-24-meson-msvc: 2/3] meson: Fix GDK-Win32 build

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

commit b4d3fe7a31bd5a29f85c2b17bc8ea50bdc2e5b76
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Mon Mar 25 15:21:51 2019 +0800

    meson: Fix GDK-Win32 build
    
    We have a new source file that we must build,
    gdkwin32langnotification.c.

 gdk/win32/meson.build | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gdk/win32/meson.build b/gdk/win32/meson.build
index 15043a9a1d..103a7fa82b 100644
--- a/gdk/win32/meson.build
+++ b/gdk/win32/meson.build
@@ -19,6 +19,7 @@ gdk_win32_sources = files(
   'gdkselection-win32.c',
   'gdktestutils-win32.c',
   'gdkwin32id.c',
+  'gdkwin32langnotification.c',
   'gdkwindow-win32.c',
 )