MaskedImage: fix deprecated Granite styles

Author: danirabbit

meson.build

@@ -33,7 +33,7 @@ executable(
         dependency ('glib-2.0'),
         dependency ('gobject-2.0'),
         dependency ('gio-2.0'),
-        dependency ('granite-7', version: '>=7.0.0'),
+        dependency ('granite-7', version: '>=7.7.0'),
         dependency ('gtk4'),
         dependency ('gtk4-x11'),
         dependency ('libadwaita-1')

src/Widgets/MaskedImage.vala

@@ -37,9 +37,8 @@ public class Notifications.MaskedImage : Granite.Bin {
             pixel_size = ICON_SIZE
         };
 
-        add_css_class (Granite.STYLE_CLASS_CARD);
-        add_css_class (Granite.STYLE_CLASS_CHECKERBOARD);
-        add_css_class (Granite.STYLE_CLASS_ROUNDED);
+        add_css_class (Granite.CssClass.CARD);
+        add_css_class (Granite.CssClass.CHECKERBOARD);
         overflow = HIDDEN;
 
         child = image;