xdg-decoration: clean up initialization

 river/Decoration.zig        |  8 +++-----
 river/DecorationManager.zig | 13 ++++++-------
 2 files changed, 9 insertions(+), 12 deletions(-)

diff --git a/river/Decoration.zig b/river/Decoration.zig
index ad8920f..4a21fff 100644
--- a/river/Decoration.zig
+++ b/river/Decoration.zig
@@ -28,17 +28,15 @@ server: *Server,
 
 wlr_xdg_toplevel_decoration: *c.wlr_xdg_toplevel_decoration_v1,
 
-listen_destroy: c.wl_listener,
-listen_request_mode: c.wl_listener,
+listen_destroy: c.wl_listener = undefined,
+listen_request_mode: c.wl_listener = undefined,
 
 pub fn init(
     self: *Self,
     server: *Server,
     wlr_xdg_toplevel_decoration: *c.wlr_xdg_toplevel_decoration_v1,
 ) void {
-    self.server = server;
-
-    self.wlr_xdg_toplevel_decoration = wlr_xdg_toplevel_decoration;
+    self.* = .{ .server = server, .wlr_xdg_toplevel_decoration = wlr_xdg_toplevel_decoration };
 
     self.listen_destroy.notify = handleDestroy;
     c.wl_signal_add(&self.wlr_xdg_toplevel_decoration.events.destroy, &self.listen_destroy);
diff --git a/river/DecorationManager.zig b/river/DecorationManager.zig
index aa191d7..9a84f93 100644
--- a/river/DecorationManager.zig
+++ b/river/DecorationManager.zig
@@ -29,15 +29,14 @@ server: *Server,
 
 wlr_xdg_decoration_manager: *c.wlr_xdg_decoration_manager_v1,
 
-decorations: std.SinglyLinkedList(Decoration),
-
-listen_new_toplevel_decoration: c.wl_listener,
+listen_new_toplevel_decoration: c.wl_listener = undefined,
 
 pub fn init(self: *Self, server: *Server) !void {
-    self.wlr_xdg_decoration_manager = c.wlr_xdg_decoration_manager_v1_create(server.wl_display) orelse
-        return error.OutOfMemory;
-
-    self.server = server;
+    self.* = .{
+        .server = server,
+        .wlr_xdg_decoration_manager = c.wlr_xdg_decoration_manager_v1_create(server.wl_display) orelse
+            return error.OutOfMemory,
+    };
 
     self.listen_new_toplevel_decoration.notify = handleNewToplevelDecoration;
     c.wl_signal_add(