b5a0731a23 refactor: remove unnecessary if block (Chris Hyunhum Cho)
Pull request description:
This `if...else` block can be replaced with one `if` block, by changing `==` to `!=`.
ACKs for top commit:
jamillambert:
ACK b5a0731a23
apoelstra:
ACK b5a0731a23f945f7e4cc7d8f3c0f1d3f83875272; successfully ran local tests
tcharding:
ACK b5a0731a23
Tree-SHA512: eee0d63532953d27fe081c36180ae9adb63c0ab7f1fb8324d9fc5e4a408f421d8df894efcccfc4bd3142625d6be6ea1258c9478faa025ce147ebe1b4e9377738