avoid the second use of query in install.php

Florian Schaal

2015-05-07 7eade0da5ec04ec86a89aed3c98e27cba3dae491

 avoid the second use of query in install.php

 install/install.php

@@ -172,10 +172,11 @@
$tmp_out = array();
exec('hostname -f', $tmp_out);
$conf['hostname'] = $inst->free_query('Full qualified hostname (FQDN) of the server, eg server1.domain.tld ', @$tmp_out[0],'hostname');
unset($tmp_out);

//** Prevent empty hostname
$conf['hostname']=trim($conf['hostname']);
$conf['hostname']=trim(@$tmp_out[0]);
unset($tmp_out);

if($conf['hostname'] === '') {
    $check = false;
    do {