[perl] Filter *.so at the start of spec.

[Marcela Mašláňová]

> When you do an update for F-15, please add the following builds to it, 
> which remove the bogus perl(UNIVERSAL) provides:
> 
> perl-UNIVERSAL-exports-0.05-11.fc15
> perl-UNIVERSAL-moniker-0.08-14.fc15
> perl-UNIVERSAL-require-0.13-6.fc15
> 
> If they were pushed before the perl update, there'd be nothing left to 
> provide perl(UNIVERSAL).
> 
> Paul.

https://admin.fedoraproject.org/updates/perl-UNIVERSAL-require-0.13-6.fc15,perl-UNIVERSAL-moniker-0.08-14.fc15,perl-UNIVERSAL-exports-0.05-11.fc15,perl-5.12.3-157.fc15
-- 
Marcela Mašláňová
BaseOS team Brno