changement : admin is usernick not username

The filter for admin command is now the usernick
(nick of irc user), and not the username (name of
irpg character) anymore.

Irpg/Admin.pm

@@ -32,7 +32,7 @@ sub leave_chans {
 
 sub peval {
 	my ($userhost, $usernick, $username, $source, @arg) = @_;
-	if ($opts->{ownerpevalonly} && $opts->{owner} ne $username) {
+	if ($opts->{ownerpevalonly} && $opts->{owner} ne $usernick) {
 		Irpg::Irc::privmsg("You don't have access to PEVAL.", $usernick);
 	}
 	else {
@@ -80,7 +80,7 @@ sub delacct {
 
 sub mkadmin {
 	my ($userhost, $usernick, $username, $source, @arg) = @_;
-	if ($opts->{owneraddonly} && $opts->{owner} ne $username) {
+	if ($opts->{owneraddonly} && $opts->{owner} ne $usernick) {
 		Irpg::Irc::privmsg("You don't have access to MKADMIN.", $usernick);
 	}
 	elsif (!defined($arg[0])) {
@@ -97,7 +97,7 @@ sub mkadmin {
 
 sub rmadmin {
 	my ($userhost, $usernick, $username, $source, @arg) = @_;
-	if ($opts->{ownerdelonly} && $opts->{owner} ne $username) {
+	if ($opts->{ownerdelonly} && $opts->{owner} ne $usernick) {
 		Irpg::Irc::privmsg("You don't have access to RMADMIN.", $usernick);
 	}
 	elsif (!defined($arg[0])) {