make new text translateable

customize.dist/translations/messages.js

@@ -216,6 +216,7 @@ define(function () {
     out.fc_remove = "Delete permanently";
     out.fc_empty = "Empty the trash";
     out.fc_prop = "Properties";
+    out.fc_sizeInKilobytes = "Size in Kilobytes";
     // fileObject.js (logs)
     out.fo_moveUnsortedError = "You can't move a folder to the list of unsorted pads";
     out.fo_existingNameError = "Name already used in that directory. Please choose another one.";

www/drive/main.js

@@ -1916,7 +1916,7 @@ define([
 
                     $('<label>', {
                         'for': 'size'
-                    }).text('Size in Kilobytes').appendTo($d);
+                    }).text(Messages.fc_sizeInKilobytes).appendTo($d);
 
                     $('<input>', {
                         id: 'size',