Fix for startupOptions.remember_buffers
Fix for startupOptions.remember_buffers

It didn't remember the nickname that used before.

Closes #1361
kiwiirc/kiwiirc,ItsOnlyBinary/kiwiirc,kiwiirc/kiwiirc,iwalkalone69/kiwiirc,iwalkalone69/kiwiirc,ItsOnlyBinary/kiwiirc,ItsOnlyBinary/kiwiirc,iwalkalone69/kiwiirc,kiwiirc/kiwiirc