fix update-gecko-manifests to update the right manifests
fix update-gecko-manifests to update the right manifests

luser/sccache2,glandium/sccache,luser/sccache2,luser/sccache2,luser/sccache2,glandium/sccache,mozilla/sccache,glandium/sccache,glandium/sccache,mozilla/sccache,mozilla/sccache