Fix issue with reading Access 97 database with large number of fields

git-svn-id: https://svn.code.sf.net/p/jackcess/code/jackcess/trunk@575 f203690c-595d-4dc9-a70b-905162fa7fd2

src/changes/changes.xml

         Add Database.getSystemTableNames to enable retrieving the list of
         system/hidden tables.
       </action>
+      <action dev="jahlborn" type="fix">
+        Fix issue with reading Access 97 database with large number of fields.
+      </action>
     </release>
     <release version="1.2.4" date="2011-05-14">
       <action dev="jahlborn" type="update">

src/java/com/healthmarketscience/jackcess/Table.java

     int jumpsUsed = 0;
     for(int i = 0; i < numVarCols + 1; i++) {
 
-      if((jumpsUsed < numJumps) && 
+      while((jumpsUsed < numJumps) && 
          (i == ByteUtil.getUnsignedByte(
               rowBuffer, rowEnd - nullMaskSize-jumpsUsed - 1))) {
         jumpsUsed++;