PMD: These nested if statements could be combined

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/fileupload/trunk@1456814 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/commons/fileupload/util/mime/MimeUtility.java b/src/main/java/org/apache/commons/fileupload/util/mime/MimeUtility.java
index f14608f..658aedb 100644
--- a/src/main/java/org/apache/commons/fileupload/util/mime/MimeUtility.java
+++ b/src/main/java/org/apache/commons/fileupload/util/mime/MimeUtility.java
@@ -137,11 +137,9 @@
                         String decodedWord = decodeWord(word);
 
                         // are any whitespace characters significant?  Append 'em if we've got 'em.
-                        if (!previousTokenEncoded) {
-                            if (startWhiteSpace != -1) {
-                                decodedText.append(text.substring(startWhiteSpace, endWhiteSpace));
-                                startWhiteSpace = -1;
-                            }
+                        if (!previousTokenEncoded && startWhiteSpace != -1) {
+                            decodedText.append(text.substring(startWhiteSpace, endWhiteSpace));
+                            startWhiteSpace = -1;
                         }
                         // this is definitely a decoded token.
                         previousTokenEncoded = true;