gluon-core: upgrade/210-interface-wan: whitespace cleanup

package/gluon-core/luasrc/lib/gluon/upgrade/210-interface-wan

@@ -4,13 +4,13 @@ local site = require 'gluon.site_config'
 local uci = require('simple-uci').cursor()
 
 if not uci:get('network', 'mesh_wan') then
-  uci:section('network', 'interface', 'mesh_wan', {
-    ifname     = 'br-wan',
-    proto      = 'gluon_mesh',
-    transitive = true,
-    fixed_mtu  = true,
-    auto       = site.mesh_on_wan or false,
-  })
+	uci:section('network', 'interface', 'mesh_wan', {
+		ifname     = 'br-wan',
+		proto      = 'gluon_mesh',
+		transitive = true,
+		fixed_mtu  = true,
+		auto       = site.mesh_on_wan or false,
+	})
 end
 
 uci:save('network')