Hey not sure why you might need it if you have the latest version, but if you do need it I'm guessing you mean 6.1.0 to 6.1.1 patch. If so you can find free and adfree on this page:
http://www.boonex.com/trac/dolphin/wiki/6.1.0to6.1.1

If you are looking for a patch for another version like 6.0x to 6.1.1 you might try:
http://www.boonex.com/trac/dolphin/timeline