[simple-scan/gnome-3-36] Fix displaying the compression value on PDF save.

[Bartosz <bkosiorek src gnome org>]

commit e92279a08f2d1a66cd1b70c7775381b6ac6d022f
Author: Bartosz Kosiorek <gang65 poczta onet pl>
Date:   Thu Oct 1 13:55:56 2020 +0200

    Fix displaying the compression value on PDF save.
    
    Fixes: #200

 src/app-window.vala | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/app-window.vala b/src/app-window.vala
index 30adac94..c3a3aaa9 100644
--- a/src/app-window.vala
+++ b/src/app-window.vala
@@ -530,6 +530,7 @@ public class AppWindow : Gtk.ApplicationWindow
 
         /* Label in save dialog beside compression slider */
         var quality_label = new Gtk.Label (_("Compression:"));
+        quality_label.visible = true;
         box.add (quality_label);
 
         var quality_adjustment = new Gtk.Adjustment (75, 0, 100, 1, 10, 0);
@@ -542,6 +543,7 @@ public class AppWindow : Gtk.ApplicationWindow
         quality_scale.add_mark (100, Gtk.PositionType.BOTTOM, null);
         quality_adjustment.value = settings.get_int ("jpeg-quality");
         quality_adjustment.value_changed.connect (() => { settings.set_int ("jpeg-quality", (int) 
quality_adjustment.value); });
+        quality_scale.visible = true;
         box.add (quality_scale);
 
         file_type_combo.set_active (0);