Fixed code that adds a format record to keep indexes to xfpos and bspos correct.Bug: http://nagoya.apache.org/bugzilla/show_bug.cgi?id=13219

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@352877 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/poi/hssf/model/Workbook.java

@@ -1848,6 +1848,8 @@ public class Workbook {
      * @see org.apache.poi.hssf.record.Record
      */
     public short createFormat(String format) {
+	++xfpos;	//These are to ensure that positions are updated properly
+        ++bspos;
 	FormatRecord rec = new FormatRecord();
 	maxformatid = maxformatid >= (short)0xa4 ? (short)(maxformatid + 1) : (short)0xa4; //Starting value from M$ empiracle study.
 	rec.setIndexCode(maxformatid);