a4fe67645a Use relative::* or absolute::* in locktime example (ndungudedan)
Pull request description:
Aims to resolve#3976
Apart from the examples in the `relative.rs` file, I see others in the **examples** folder. If this patch is good, I can continue with them.
I will happily appreciate a review.
ACKs for top commit:
tcharding:
ACK a4fe67645a
jamillambert:
ACK a4fe67645a
Tree-SHA512: a9551c77bf91fdc212126d387adb110a7dc71635620f4efa25dc1e4306a9953968a4ad0e1528c990d5083bd9833702e62ae819db474a49f1284327fd042fb1c2