global replace StringBuffer with StringBuilder

git-svn-id: https://svn.apache.org/repos/asf/turbine/fulcrum/trunk/parser@1842724 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/java/org/apache/fulcrum/parser/BaseValueParser.java b/src/java/org/apache/fulcrum/parser/BaseValueParser.java
index aa516f5..77aa124 100644
--- a/src/java/org/apache/fulcrum/parser/BaseValueParser.java
+++ b/src/java/org/apache/fulcrum/parser/BaseValueParser.java
@@ -1433,7 +1433,7 @@
     @Override
     public String toString()
     {
-        StringBuffer sb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
         for (String name : keySet())
         {
             sb.append('{');