Bump sctk-adwaita to 0.4.1

This should force the use of system libraries for Fontconfig
and freetype instead of building them with cmake if missing.

This also fixes compilation failures on nightly.

Fixes #2373.

src/platform_impl/macos/app_delegate.rs

@@ -72,7 +72,7 @@ extern "C" fn dealloc(this: &Object, _: Sel) {
         let state_ptr: *mut c_void = *(this.get_ivar(AUX_DELEGATE_STATE_NAME));
         // As soon as the box is constructed it is immediately dropped, releasing the underlying
         // memory
-        Box::from_raw(state_ptr as *mut RefCell<AuxDelegateState>);
+        drop(Box::from_raw(state_ptr as *mut RefCell<AuxDelegateState>));
     }
 }
 

src/platform_impl/macos/event_loop.rs

@@ -210,7 +210,7 @@ impl<T> EventLoop<T> {
             // A bit of juggling with the callback references to make sure
             // that `self.callback` is the only owner of the callback.
             let weak_cb: Weak<_> = Rc::downgrade(&callback);
-            mem::drop(callback);
+            drop(callback);
 
             AppState::set_callback(weak_cb, Rc::clone(&self.window_target));
             let _: () = msg_send![app, run];

src/platform_impl/macos/view.rs

@@ -325,7 +325,7 @@ extern "C" fn dealloc(this: &Object, _sel: Sel) {
         let marked_text: id = *this.get_ivar("markedText");
         let _: () = msg_send![marked_text, release];
         let state: *mut c_void = *this.get_ivar("winitState");
-        Box::from_raw(state as *mut ViewState);
+        drop(Box::from_raw(state as *mut ViewState));
     }
 }
 

src/platform_impl/macos/window_delegate.rs

@@ -241,7 +241,7 @@ fn with_state<F: FnOnce(&mut WindowDelegateState) -> T, T>(this: &Object, callba
 
 extern "C" fn dealloc(this: &Object, _sel: Sel) {
     with_state(this, |state| unsafe {
-        Box::from_raw(state as *mut WindowDelegateState);
+        drop(Box::from_raw(state as *mut WindowDelegateState));
     });
 }