Fix issue with isItalianLeadingZero()
Fix issue with isItalianLeadingZero()

Seems to be introduced at chipperstudios/libphonenumber-for-php@2447df4655dcbddfab733de392ff077cf3d621e6

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sudiptpa/libphonenumber-for-php,Xephi/libphonenumber-for-php,BenMorel/libphonenumber-for-php,digideskio/libphonenumber-for-php,gencer/libphonenumber-for-php,giggsey/libphonenumber-for-php,lukebeer/libphonenumber-for-php