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/components/networkAgent.js

@@ -366,10 +366,9 @@ var VPNRequestHandler = class {
         let connectionSetting = connection.get_setting_connection();
 
         let argv = [authHelper.fileName,
-                     '-u', connectionSetting.uuid,
-                     '-n', connectionSetting.id,
-                     '-s', serviceType
-                   ];
+                    '-u', connectionSetting.uuid,
+                    '-n', connectionSetting.id,
+                    '-s', serviceType];
         if (authHelper.externalUIMode)
             argv.push('--external-ui-mode');
         if (flags & NM.SecretAgentGetSecretsFlags.ALLOW_INTERACTION)