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/osdMonitorLabeler.js

@@ -51,7 +51,7 @@ var OsdMonitorLabeler = class {
         this._osdLabels = [];
         this._monitorLabels = null;
         Main.layoutManager.connect('monitors-changed',
-                                    this._reset.bind(this));
+                                   this._reset.bind(this));
         this._reset();
     }