print: Add libadwaita-rs features missing upstream

This should be reverted when porting to new release that
supports those features.

Part-of: <https://gitlab.gnome.org/GNOME/loupe/-/merge_requests/240>

src/widgets/print.rs

@@ -464,3 +464,26 @@ impl LpPrint {
         cairo_context.paint().unwrap();
     }
 }
+
+trait AdwSpinRowExt {
+    fn set_range(&self, min: f64, max: f64);
+}
+
+use glib::translate::*;
+
+impl AdwSpinRowExt for adw::SpinRow {
+    fn set_range(&self, min: f64, max: f64) {
+        unsafe {
+            adw_spin_row_set_range(self.to_glib_none().0, min, max);
+        }
+    }
+}
+
+#[link(name = "adwaita-1")]
+extern "C" {
+    pub fn adw_spin_row_set_range(
+        self_: *mut adw::ffi::AdwSpinRow,
+        min: std::ffi::c_double,
+        max: std::ffi::c_double,
+    );
+}