checkstyle: '128' is a magic number.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/fileupload/trunk@1456852 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/commons/fileupload/util/mime/QuotedPrintableDecoder.java b/src/main/java/org/apache/commons/fileupload/util/mime/QuotedPrintableDecoder.java
index f8c681e..ba16339 100644
--- a/src/main/java/org/apache/commons/fileupload/util/mime/QuotedPrintableDecoder.java
+++ b/src/main/java/org/apache/commons/fileupload/util/mime/QuotedPrintableDecoder.java
@@ -34,9 +34,14 @@
     };
 
     /**
+     * the decoding table size.
+     */
+    private static final int DECODING_TABLE_SIZE = 128;
+
+    /**
      * set up the decoding table.
      */
-    private static final byte[] DECODING_TABLE = new byte[128];
+    private static final byte[] DECODING_TABLE = new byte[DECODING_TABLE_SIZE];
 
     static {
         // initialize the decoding table