performance issue: removed instantiation of new String object by copying an existing string.

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1583366 13f79535-47bb-0310-9956-ffa450edef68

src/scratchpad/src/org/apache/poi/hwpf/dev/RecordUtil.java

@@ -35,7 +35,7 @@ public class RecordUtil
     {
         String type = getBitFieldType( name, bitMask, parentType );
 
-        String retVal = new String();
+        String retVal = "";
         if ( withType.equals( "true" ) )
         {
             retVal = type + " ";

src/scratchpad/src/org/apache/poi/hwpf/model/Xst.java

@@ -144,6 +144,6 @@ public class Xst
     @Override
     public String toString()
     {
-        return new String( "Xst [" + _cch + "; " + _rgtchar + "]" );
+        return "Xst [" + _cch + "; " + _rgtchar + "]";
     }
 }