Fixed #1012: Bug - Error when reconfiguring IP through installer (ips option)

    [feedquote='i-MSCP Github (nuxwin)','https://github.com/i-MSCP/imscp/commit/451ab38b9da60f5c22a0f397ca2dc90821ed443d']

    Code
    1. Fixed #1012: Bug - Error when reconfiguring IP through installer (ips option)

    [/feedquote]