Modification of .profile

[Bachsau]

Ryan Schmidt wrote on 19.10.2015 11:10:
> And if there's a problem where MacPorts modifies the profile even if the MacPorts prefix is already in the path, then that could be a bug that we should fix.

That might be the case. I didn't know there is a check. It didn't work 
though. Also, this is not a big thing, but I think installers should not 
change personal configuration files like ~/.profile, especialy not 
without asking.