Update aerospike-client-c.sh

on Fedora 20 with LSB installed the scripts throws the error "error: fedora20 is not supported." Without LSB it would have continued successfully.
Modified line 54.
Merge branch 'patch-1' of https://github.com/fabioramponi/aerospike-client-python into fabioramponi-patch-1
Merge branch 'fabioramponi-patch-1'