[install] update the libparrot symlink when installing, fixing TT #1960
[install] update the libparrot symlink when installing, fixing TT #1960

tkob/parrot,gagern/parrot,parrot/parrot,gitster/parrot,youprofit/parrot,tewk/parrot-select,tkob/parrot,parrot/parrot,FROGGS/parrot,gagern/parrot,tkob/parrot,FROGGS/parrot,FROGGS/parrot,FROGGS/parrot,gagern/parrot,gitster/parrot,youprofit/parrot,gitster/parrot,gitster/parrot,gagern/parrot,gagern/parrot,parrot/parrot,gitster/parrot,youprofit/parrot,tewk/parrot-select,tewk/parrot-select,tewk/parrot-select,youprofit/parrot,tewk/parrot-select,FROGGS/parrot,parrot/parrot,tkob/parrot,gagern/parrot,FROGGS/parrot,gagern/parrot,tkob/parrot,youprofit/parrot,youprofit/parrot,FROGGS/parrot,gitster/parrot,parrot/parrot,gitster/parrot,tkob/parrot,tewk/parrot-select,tkob/parrot,FROGGS/parrot,tewk/parrot-select,youprofit/parrot,youprofit/parrot,tkob/parrot