fix missed implementation

Author: andrei1058

versionsupport_1_8_R3/src/main/java/com/andrei1058/bedwars/support/version/v1_8_R3/v1_8_R3.java

@@ -398,9 +398,9 @@ public void registerTntWhitelist(float endStoneBlast, float glassBlast) {
         try {
             Field field = Block.class.getDeclaredField("durability");
             field.setAccessible(true);
-            field.set(Block.getByName("glass"), 300f);
-            field.set(Block.getByName("stained_glass"), 300f);
-            field.set(Block.getByName("end_stone"), 69f);
+            field.set(Block.getByName("glass"), glassBlast);
+            field.set(Block.getByName("stained_glass"), glassBlast);
+            field.set(Block.getByName("end_stone"), endStoneBlast);
         } catch (NoSuchFieldException | IllegalAccessException e) {
             e.printStackTrace();
         }