* JmeFormatter now uses non threadsafe StringBuilder for performance

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9304 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core/com/jme3/util/JmeFormatter.java

@@ -59,7 +59,7 @@ public class JmeFormatter extends Formatter {
 
     @Override
     public String format(LogRecord record) {
-        StringBuffer sb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
 
         calendar.setTime(record.getMillis());
         args[0] = calendar;