whitespace change to work around XUL preprocessor dependency problems

browser/base/content/browser.xul

@@ -19,7 +19,7 @@
 # Copyright (C) 1998-2000 Netscape Communications Corporation. All
 # Rights Reserved.
 #
-# Contributor(s):
+# Contributor(s): 
 #   Blake Ross <blaker@netscape.com>
 #   David Hyatt <hyatt@mozilla.org>
 #   Joe Hewitt <hewitt@netscape.com>

browser/base/content/macBrowserOverlay.xul

@@ -19,7 +19,7 @@
 # Copyright (C) 1998-2000 Netscape Communications Corporation. All
 # Rights Reserved.
 #
-# Contributor(s):
+# Contributor(s): 
 #   David Hyatt <hyatt@mozilla.org> (Original Author)
 #
 #ifdef XP_MACOSX