[gtk/gbsneto/fix-emojichooser-header] build: Install gtkemojichooser.h

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 1b95cd27bc6a1a7a213a9587a56ffe1e60b85e6c
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Wed Feb 12 15:41:49 2020 -0300

    build: Install gtkemojichooser.h
    
    It was made public at ef7172dc1ee86a, but the header file
    wasn't added to the public headers list.
    
    Add the header file to the list.

 gtk/meson.build | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/gtk/meson.build b/gtk/meson.build
index 295ed0af6d..52badca381 100644
--- a/gtk/meson.build
+++ b/gtk/meson.build
@@ -461,6 +461,7 @@ gtk_public_headers = files([
   'gtkdragsource.h',
   'gtkdrawingarea.h',
   'gtkeditable.h',
+  'gtkemojichooser.h',
   'gtkentry.h',
   'gtkentrybuffer.h',
   'gtkentrycompletion.h',