macos: fix scroll-unit build

diff --git a/gdk/macos/gdkmacosdisplay-translate.c b/gdk/macos/gdkmacosdisplay-translate.c
index 9192bb2bd0431a66c5d8cb9d8e65cc93a2ea4418..7767faef678ad3f1b2ebedf8a18be7545b901793 100644 (file)
--- a/gdk/macos/gdkmacosdisplay-translate.c
+++ b/gdk/macos/gdkmacosdisplay-translate.c
@@ -644,7 +644,8 @@ fill_scroll_event (GdkMacosDisplay *self,
                                  NULL,
                                  get_time_from_ns_event (nsevent),
                                  state,
-                                 0.0, 0.0, TRUE);
+                                 0.0, 0.0, TRUE,
+                                 GDK_SCROLL_UNIT_SURFACE);
 
   dx = [nsevent deltaX];
   dy = [nsevent deltaY];