Luke Dashjr bca8665d08 scripted-diff: Wallet: Rename incorrectly named *UsedDestination
These functions are used to mark/check if a key of our own has been used to spend (and only for avoid-reuse wallets), which has nothing to do with the destination/address itself.
Give them more accurate names to avoid confusion.

-BEGIN VERIFY SCRIPT-
sed -i -e 's/UsedDestination/SpentKey/g' $(git grep -l 'UsedDestination' ./src)
-END VERIFY SCRIPT-
2020-02-21 21:16:40 +00:00
..
2020-02-09 07:44:29 -08:00
2020-02-10 12:00:10 -08:00
2020-02-10 12:00:10 -08:00
2019-12-23 06:12:10 +07:00
2020-01-31 14:51:37 -08:00
2020-01-31 14:51:37 -08:00
2019-10-02 10:39:14 -04:00
2020-01-16 18:25:11 -08:00
2020-02-10 12:00:10 -08:00
2020-02-10 12:00:10 -08:00