x509-cert: add `Display` impl for `SerialNumber`#820

Merged

tarcieri merged 1 commit intoRustCrypto:masterfrom

woodruffw-forks:ww/serialnumber-display

Dec 27, 2022

Commits on Dec 26, 2022

x509-cert: add `Display` impl for `SerialNumber`
woodruffw
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