options: support deferred writes when saving bundles

The mapping window has 13 bundles total in use. Setting them all can take up
to a large fraction of a second on some windows filesystems. Do a single
config write instead.

1 files changed, 3 insertions, 3 deletions

diff --git a/logic/mappings.hpp b/logic/mappings.hpp
index 942f53d2..15752624 100644
--- a/logic/mappings.hpp
+++ b/logic/mappings.hpp
@@ -27,10 +27,10 @@ struct Map final
     {
     }
 
-    void save()
+    void save(QSettings& s)
     {
-        spline_main.save();
-        spline_alt.save();
+        spline_main.save(s);
+        spline_alt.save(s);
     }
 
     void load()