Generate pkgconfig for davix_copy too
Generate pkgconfig for davix_copy too

cern-it-sdc-id/davix,EricKTCheung/davix,mhellmic/davix,mhellmic/davix,cern-it-sdc-id/davix,EricKTCheung/davix,mhellmic/davix,EricKTCheung/davix,EricKTCheung/davix,mhellmic/davix,cern-it-sdc-id/davix,cern-it-sdc-id/davix