Added new lines at end of files

src/main/java/org/apache/commons/collections4/bloomfilter/ArrayTracker.java

@@ -48,4 +48,4 @@ public class ArrayTracker implements IntPredicate {
         seen[populated++] = number;
         return true;
     }
-}
+}

src/main/java/org/apache/commons/collections4/bloomfilter/BitMapTracker.java

@@ -40,4 +40,4 @@ public class BitMapTracker implements IntPredicate {
         BitMap.set(bits, number);
         return retval;
     }
-}
+}