fixed bug in Auth.pm where an array was used to send placeholders instead of arrayref

docs/changelog/7.x.x.txt

@@ -3,6 +3,8 @@
    times.
  - Fixed bugs the SyncProfileToLdap workflow activity where it would ignore the
    ldapAlias config setting and it crash (Martin Kamerbeek / Procolix) 
+ - fix: entry in error log of WebGUI
+
 
 7.2.0
  - Added server side spellchecker (Martin Kamerbeek / Procolix)

lib/WebGUI/Auth.pm

@@ -94,11 +94,11 @@ sub _isValidUsername {
 sub _logLogin {
 	my $self = shift;
 	$self->session->db->write("insert into userLoginLog values (?,?,?,?,?)",
-		$_[0],
+		[ $_[0],
 		$_[1],
 		$self->session->datetime->time(),
 		$self->session->env->getIp,
-		$self->session->env->get("HTTP_USER_AGENT")
+		$self->session->env->get("HTTP_USER_AGENT") ]
 		);
 }