repeat changes from e4b3a5c001f63bb809519cf2c7f326fa72a77c16

repeat changes from e4b3a5c001f63bb809519cf2c7f326fa72a77c16

old commit was in the following file:

libPhoneNumber-iOS/NBPhoneNumberUtil.m

this commit is in a duplicate file in a sibling directory:

libPhoneNumber/NBPhoneNumberUtil.m