Fix typo

bukkit/src/main/java/me/lucko/luckperms/bukkit/LPBukkitBootstrap.java

@@ -151,7 +151,7 @@ public class LPBukkitBootstrap extends JavaPlugin implements LuckPermsBootstrap
             return;
         }
 
-        this.serverStopping = true;
+        this.serverStarting = true;
         this.serverStopping = false;
         this.startTime = Instant.now();
         try {