Fixed: Wrong panel hostname set when no value is set for it (preseedi…

Quote from i-MSCP Github (1.5.3)

Code

1. Fixed: Wrong panel hostname set when no value is set for it (preseeding feature)
2. Fixed: Possible undefined variable (Bind9 server implementation)

Source: https://github.com/i-MSCP/imsc…fb2425ce19dde6ab0968a8b71