Fix style checks

Author: silvanocerza

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

@@ -51,11 +51,11 @@ final class BufferHolder {
         if (null == stream) {
             throw new NullPointerException("Unable to use a NULL InputStream");
         }
-        final int CHUNK_SIZE = 16 * 1024;
+        final int chunk_size = 16 * 1024;
         List<byte[]> chunks = new ArrayList<>();
         long total = 0;
         int read;
-        byte[] tmp = new byte[CHUNK_SIZE];
+        byte[] tmp = new byte[chunk_size];
 
         while (-1 != (read = stream.read(tmp))) {
             byte[] copy = new byte[read];

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

@@ -2,10 +2,10 @@
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
 import java.nio.channels.FileChannel;
 import java.nio.charset.CharacterCodingException;
 import java.nio.charset.CharsetDecoder;
-import java.nio.CharBuffer;
 import java.nio.charset.CoderResult;
 import java.util.ArrayList;
 import java.util.List;
@@ -201,10 +201,14 @@ public long readFrom(FileChannel channel) throws IOException {
             ByteBuffer buf = buffers.get(i);
             buf.position((int) (pos % CHUNK_SIZE));
             int read = channel.read(buf);
-            if (read == -1) break;
+            if (read == -1) {
+                break;
+            }
             totalRead += read;
             pos += read;
-            if (pos >= limit) break;
+            if (pos >= limit) {
+                break;
+            }
         }
         position = pos;
         return totalRead;