provideruri redundancy in syncrepl code

[Pierangelo Masarati <ando@sys-net.it>]

        char                            *si_provideruri;
        BerVarray                       si_provideruri_bv;

I don't see any need for having a string and a BerVarray of provideruri
in syncrepl; wouldn't a single berval suffice?  I'm fixing this, unless
there's any specific reason.

p.




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