Applied fix from trunk for revision: 1609389 
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Fix bug reported and fixed by Igor Ishchenko in OFBIZ-5185: Unable to delete rate associated with employee position



git-svn-id: https://svn.apache.org/repos/asf/ofbiz/branches/release11.04@1609391 13f79535-47bb-0310-9956-ffa450edef68