Ingvar Stepanyan 494d6e514b
Fix is_absolute on WASI
WASI does not match `cfg(unix)`, but its paths are Unix-like (`/some/path`) and don't have Windows-like prefixes.

Without this change, `is_absolute` for paths like `/some/path` was returning `false`on a WASI target, which is obviously not true and undesirable.
2020-09-30 13:12:25 +01:00
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2020-09-30 13:12:25 +01:00