missing hook for dbschema.sql (u1db)

pyinstaller bundles are missing the u1db hook:

IOError: [Errno 2] No such file or directory: '/home/kali/Downloads/bitmask-0.9.0rc1-45-gddd112e/u1db/backends/dbschema.sql'
[2015-08-25 19:25:07] DEBUG    - L#353  : leap.soledad.client.sqlcipher:close - SQLCipher backend: closing
[2015-08-25 19:25:07] WARNING  - L#253  : leap.bitmask.services.soledad.soledadbootstrapper:_do_soledad_init - Init failed, retrying... (retry 9 of 10)
[2015-08-25 19:25:07] DEBUG    - L#243  : leap.bitmask.services.soledad.soledadbootstrapper:_do_soledad_init - Trying to init soledad....
[2015-08-25 19:25:07] INFO     - L#249  : leap.soledad.client.secrets:_has_secret - Checking if there's a secret in local storage...
[2015-08-25 19:25:07] INFO     - L#259  : leap.soledad.client.secrets:_has_secret - Found a secret in local storage.
[2015-08-25 19:25:07] DEBUG    - L#365  : leap.soledad.client.pragmas:set_write_ahead_logging - SQLCIPHER: SETTING WRITE-AHEAD LOGGING
[2015-08-25 19:25:07] DEBUG    - L#332  : leap.soledad.client.pragmas:set_synchronous_normal - SQLCIPHER: SETTING SYNCHRONOUS NORMAL

(from redmine: created on 2015-08-25, closed on 2015-10-28, relates #7304 (closed))