Whitespace fixes.

common/content/dactyl.js

@@ -630,7 +630,6 @@ const Dactyl = Module("dactyl", {
             </item></>.toXMLString(), true);
     },
 
-
     /**
      * Opens the help page containing the specified <b>topic</b> if it
      * exists.

common/content/io.js

@@ -67,7 +67,6 @@ const IO = Module("io", {
         services.get("downloadManager").addListener(this.downloadListener);
     },
 
-
     // TODO: there seems to be no way, short of a new component, to change
     // the process's CWD - see https://bugzilla.mozilla.org/show_bug.cgi?id=280953
     /**

common/modules/bookmarkcache.jsm

@@ -10,7 +10,6 @@ defineModule("bookmarkcache", {
     require: ["services", "storage", "util"]
 });
 
-
 const Bookmark = Struct("url", "title", "icon", "keyword", "tags", "id");
 const Keyword = Struct("keyword", "title", "icon", "url");
 Bookmark.defaultValue("icon", function () BookmarkCache.getFavicon(this.url));