717ab93 Fix integer validation when boundary value is empty string

Authored and Committed by pvoborni 11 years ago
    Fix integer validation when boundary value is empty string
    
    There was an error in number validation check. If boundary value was an empty string, validation of a number always failed. This patch fixes the problem by not performing the check in these cases.
    
    https://fedorahosted.org/freeipa/ticket/3066
    
        
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