fix white XP

src/engine/objects/Experience.java

@@ -375,7 +375,7 @@ public class Experience {
                     baseXP = LOOTMANAGER.NORMAL_EXP_RATE * maxXPPerKill(member.getLevel());
                     double mod = getConMod(member, mob);
 
-                    if(leadership > 0)
+                    if(leadership > 0 && mod != 0)
                         mod += (leadership * 0.01f);
 
                     baseXP *= mod;
@@ -402,7 +402,7 @@ public class Experience {
             float leadership = 0.0f;
             if(killer.skills.containsKey("Leadership"))
                 leadership = killer.skills.get("Leadership").getModifiedAmount();
-            if(leadership > 0){
+            if(leadership > 0 && mod != 0){
                 mod += (leadership * 0.01f);
             }