Remove trailing spaces.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@1378955 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/main/java/org/apache/commons/codec/binary/BaseNCodec.java

@@ -92,9 +92,10 @@ static class Context {
 
         /**
          * Returns a String useful for debugging (especially within a debugger.)
-         * 
+         *
          * @return a String useful for debugging.
          */
+        @Override
         public String toString() {
             return String
                     .format("%s[buffer=%s, currentLinePos=%s, eof=%s, ibitWorkArea=%s, lbitWorkArea=%s, modulus=%s, pos=%s, readPos=%s]",