"Applied fix from trunk for revision: 1643341  " 
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r1643341 | jleroux | 2014-12-05 17:10:22 +0100 (ven. 05 déc. 2014) | 4 lignes

This fixes <<"Please Select Your Shipping Method" error sometimes occurs when updating order items>> bugs https://issues.apache.org/jira/browse/OFBIZ-5430

Fixes a long standing issue in OrderServices.saveUpdatedCartToOrder() where an empty csi may be initially added to ShoppingCart.shipInfo() by ShoppingCart.setItemShipGroupQty() (called indirectly by ShoppingCart.setUserLogin() and then ProductPromoWorker.doPromotions(), etc.). Then shipGroupsSize > realShipGroupsSize are different (+1 for shipGroupsSize), so simply bypass the 1st empty csi. This prevents the "Please Select Your Shipping Method" error, pfew...

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git-svn-id: https://svn.apache.org/repos/asf/ofbiz/branches/release12.04@1643343 13f79535-47bb-0310-9956-ffa450edef68