views: Don't lay out views that are missing

eek/eek-xml-layout.c

@@ -962,8 +962,10 @@ eek_xml_layout_real_create_keyboard (EekLayout *self,
     }
 
     for (uint i = 0; i < 4; i++) {
+        if (views[i]) {
             eek_layout_place_sections(keyboard, views[i]);
         }
+    }
 
     return keyboard;
 }