minor modification

cmsWebApp/src/performa/form/SaveJobFP.java

@@ -16,6 +16,7 @@ import oneit.servlets.process.SaveFP;
 import oneit.utils.BusinessException;
 import oneit.utils.DateDiff;
 import oneit.utils.MultiException;
+import oneit.utils.math.NullArith;
 import performa.intercom.utils.IntercomUtils;
 import performa.orm.*;
 import performa.orm.types.JobStatus;
@@ -49,7 +50,7 @@ public class SaveJobFP extends SaveFP
             job.setApplyBy(DateDiff.add(DateDiff.getToday(), Calendar.DATE, 30));
             job.setOpenDate(new Date());
             
-            company.setUsedCredits(company.getUsedCredits() + 1);
+            company.setUsedCredits(NullArith.add(company.getUsedCredits(), 1).intValue());
             
             if(status == JobStatus.OPEN)
             {