portsclean -L after X.org upgrade

[Andrea Venturoli]

Hello.
As per subject, I get a lot of warning like the ones following:

> ** /usr/local/lib/libI810XvMC.so.1 is shadowed by 
> /usr/X11R6/lib/libI810XvMC.so.1
>         /usr/X11R6/lib/libI810XvMC.so.1 <- xf86-video-i810-1.6.5_2
>         /usr/local/lib/libI810XvMC.so.1 <- xf86-video-i810-1.6.5_2
>  --> Two packages install the same library in different directories!
>
> ** /usr/local/lib/libviaXvMC.so.1 is shadowed by 
> /usr/X11R6/lib/libviaXvMC.so.1
>         /usr/X11R6/lib/libviaXvMC.so.1  <- xf86-video-via-0.2.2_1
>         /usr/local/lib/libviaXvMC.so.1  <- xf86-video-via-0.2.2_1
>  --> Two packages install the same library in different directories!
>
> ** /usr/local/lib/libviaXvMCPro.so.1 is shadowed by 
> /usr/X11R6/lib/libviaXvMCPro.so.1
>         /usr/X11R6/lib/libviaXvMCPro.so.1       <- xf86-video-via-0.2.2_1
>         /usr/local/lib/libviaXvMCPro.so.1       <- xf86-video-via-0.2.2_1
>  --> Two packages install the same library in different directories!
>
> ** /usr/local/lib/libscrollkeeper.so.0 is shadowed by 
> /usr/X11R6/lib/libscrollkeeper.so.0
>         /usr/X11R6/lib/libscrollkeeper.so.0     <- scrollkeeper-0.3.14_8,1
>         /usr/local/lib/libscrollkeeper.so.0     <- scrollkeeper-0.3.14_8,1
>  --> Two packages install the same library in different directories!
>
> ** /usr/local/lib/libcaca.so.0 is shadowed by /usr/X11R6/lib/libcaca.so.0
>         /usr/X11R6/lib/libcaca.so.0     <- libcaca-0.99.b11_1
>         /usr/local/lib/libcaca.so.0     <- libcaca-0.99.b11_1
>  --> Two packages install the same library in different directories!

What about them?

 bye & Thanks
    av.