trivial: Line has trailing spaces

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/fileupload/trunk@1459183 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/commons/fileupload/util/mime/Base64Decoder.java b/src/main/java/org/apache/commons/fileupload/util/mime/Base64Decoder.java
index 8e486df..0ba25fa 100644
--- a/src/main/java/org/apache/commons/fileupload/util/mime/Base64Decoder.java
+++ b/src/main/java/org/apache/commons/fileupload/util/mime/Base64Decoder.java
@@ -128,7 +128,7 @@
                         outLen++;
                     }
                 } else if (cache[3] != PAD_BYTE) { // if byte 3 is pad, byte 4 must be pad too
-                    throw new IOException("Invalid Base64 input: incorrect padding");                    
+                    throw new IOException("Invalid Base64 input: incorrect padding");
                 }
                 cachedBytes = 0;
             }