Issue tracker No 110 & 136

git-svn-id: http://15.206.35.175/svn/proteus/business-java/trunk@30817 ce508802-f39f-4f6c-b175-0d175dae99d5

webitm-wms/ibase/webitm/ejb/wms/WaveGenerationPrc.java

@@ -37,6 +37,7 @@ import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.Map;
 import java.util.Random;