bug fix

git-svn-id: http://15.206.35.175/svn/proteus/business-java/trunk@182987 ce508802-f39f-4f6c-b175-0d175dae99d5

webitm-fin/ibase/webitm/ejb/fin/RetainerContractReleasePrc.java

@@ -516,14 +516,14 @@ public class RetainerContractReleasePrc extends ProcessEJB implements RetainerCo
 				} 
 				if(taxClass == null || taxClass.trim().length() == 0 || "null".equals(taxClass))
 				{
-					taxClass = " ";
+					taxClass = "";
 				}
 				if(taxChap == null || taxChap.trim().length() == 0 || "null".equals(taxChap))
 				{
-					taxChap = " ";
+					taxChap = "";
 				}if(taxEnv == null || taxEnv.trim().length() == 0 || "null".equals(taxEnv))
 				{
-					taxEnv = " ";
+					taxEnv = "";
 				}
 				if(String.valueOf(amount) == null)
 				{