style: Fix indentation errors

While we have some style inconsistencies - mostly regarding split lines,
i.e. aligning to the first arguments vs. a four-space indent - there are
a couple of places where the spacing is simply wrong. Fix those.

Spotted by eslint.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/608

js/ui/dateMenu.js

@@ -217,7 +217,7 @@ var WeatherSection = class WeatherSection {
         });
 
         let box = new St.BoxLayout({ style_class: 'weather-box',
-                                      vertical: true });
+                                     vertical: true });
 
         this.actor.child = box;