Fix check style failure

Author: silvanocerza

src/main/java/com/maxmind/db/MultiBuffer.java

@@ -290,7 +290,7 @@ public static MultiBuffer wrap(ByteBuffer[] chunks) {
                 continue;
             }
             throw new IllegalArgumentException("Chunk at index " + i
-            + " is smaller than expected chunk size");
+                + " is smaller than expected chunk size");
         }
 
         return new MultiBuffer(chunks);