deb: fix chown
deb: fix chown

Former-commit-id: 456268df03e5d5d71eeb933f5dfd3b0e9cb46d5d [formerly 21736bc583856d52a13e549a4d2b04068a735d2b]
Former-commit-id: d9ec9dc4a51cdf15745ac65cb28e441454b4b769
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine