fixed race condition introduced in commit https://github.com/globaleaks/Tor2web-3.0/commit/8f1c1b504dc4df354ae703e0df603177d42af706#diff-a47f20a06d5e5ae3474b4c40e29271fbR816
fixed race condition introduced in commit https://github.com/globaleaks/Tor2web-3.0/commit/8f1c1b504dc4df354ae703e0df603177d42af706#diff-a47f20a06d5e5ae3474b4c40e29271fbR816

globaleaks/Tor2web,globaleaks/Tor2web,globaleaks/Tor2web,globaleaks/Tor2web