Fixed #1005: Defect - pma_tracker table not locked while importing database

    [feedquote='i-MSCP Github (nuxwin)','https://github.com/i-MSCP/imscp/commit/5f4981e2dbeed163f558e1679281b24b7bbd9d0c']

    Code
    1. Fixed #1005: Defect - pma_tracker table not locked while importing database

    [/feedquote]