Remove trailing spaces.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1465180 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/main/java/org/apache/commons/codec/digest/DigestUtils.java

@@ -786,7 +786,7 @@ public static MessageDigest updateDigest(final MessageDigest messageDigest, fina
      * @return MD5 digest
      * @throws IOException
      *             On error reading from the stream
-     * @since 1.8             
+     * @since 1.8
      */
     public static MessageDigest updateDigest(final MessageDigest digest, final InputStream data) throws IOException {
         final byte[] buffer = new byte[STREAM_BUFFER_LENGTH];