Don't hard code ID of warning wiki article

classes/users.class.php

@@ -418,7 +418,7 @@ class Users {
       $Str .= Badges::display_badges(Badges::get_displayed_badges($UserID), true);
     }
 
-    $Str .= ($IsWarned && $UserInfo['Warned']) ? '<a href="wiki.php?action=article&amp;id=218"'
+    $Str .= ($IsWarned && $UserInfo['Warned']) ? '<a href="wiki.php?action=article&amp;name=warnings"'
           . '><img src="'.STATIC_SERVER.'common/symbols/warned.png" alt="Warned" title="Warned'
           . (G::$LoggedUser['ID'] === $UserID ? ' - Expires ' . date('Y-m-d H:i', strtotime($UserInfo['Warned'])) : '')
           . '" class="tooltip" /></a>' : '';

sections/reportsv2/takeresolve.php

@@ -335,7 +335,7 @@ if ($DB->affected_rows() > 0 || !$Report) {
     }
 
     if ($Warning > 0) {
-      $PM .= "This has resulted in a [url=".site_url()."wiki.php?action=article&id=218]$Warning week warning.[/url]\n\n";
+      $PM .= "This has resulted in a [url=".site_url()."wiki.php?action=article&name=warnings]$Warning week warning.[/url]\n\n";
     }
 
     if ($Upload) {

sections/user/takemoderate.php

@@ -488,7 +488,7 @@ if (check_perms('users_edit_badges')) {
 
 if ($Warned == 1 && !$Cur['Warned'] && check_perms('users_warn')) {
   $Weeks = 'week' . ($WarnLength === 1 ? '' : 's');
-  Misc::send_pm($UserID, 0, 'You have received a warning', "You have been [url=".site_url()."wiki.php?action=article&id=218]warned for $WarnLength {$Weeks}[/url] by [user]".$LoggedUser['Username']."[/user]. The reason given was:
+  Misc::send_pm($UserID, 0, 'You have received a warning', "You have been [url=".site_url()."wiki.php?action=article&name=warnings]warned for $WarnLength {$Weeks}[/url] by [user]".$LoggedUser['Username']."[/user]. The reason given was:
 [quote]{$WarnReason}[/quote]");
   $UpdateSet[] = "Warned = '".sqltime()."' + INTERVAL $WarnLength WEEK";
   $Msg = "warned for $WarnLength $Weeks";