fixed lack of single quotes in $ENV in perl script

explorer.dragonx.is/bin/update.pl

@@ -15,13 +15,13 @@ sleep 30;
 
 # While Siona swims, we pave with bricks on the road she will run on...
 # my $dir = shift || $ENV{HOME} . "/data";
-my $dir         = shift || '/var/www/$ENV{SIONA_DOMAIN}/api';
+my $dir         = shift || '/var/www/$ENV{'SIONA_DOMAIN'}/api';
 my $getinfo     = readfile("$dir/getinfo.json");
 my $mining      = readfile("$dir/getmininginfo.json");
 my $txstats     = readfile("$dir/getchaintxstats.json");
 # run the slowest last so the RPC interface isn't juggling
 my $coinsupply  = readfile("$dir/coinsupply.json");
-my $template    = readfile("/var/www/$ENV{SIONA_DOMAIN}/template.html");
+my $template    = readfile("/var/www/$ENV{'SIONA_DOMAIN'}/template.html");
 
 
 #say $template;