Fix SortIPAddrsByNetworkSize #50
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SortIPAddrsByNetworkSize()fails to properly sort hosts where the definitive criteria is the host having a port. For example:Should be:
Caused by a logic error and fixed in this PR.
Funny though, this exact test case is part of the tests. The
Sort()algorithm was changed topdqsortin golang/go@72e77a7 and was originally released in Go 1.19. Tests pass in Go 1.18 but fail in Go 1.19. Just so it happens, the order of operations in previousSort()implementation happens to mask this bug with the given test array.Fixes #45.