[MRESOLVER-496] Paths everywhere, addendum 1

[cstamas]

Addendum 1

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https://issues.apache.org/jira/browse/MRESOLVER-496

[cstamas]

Just FTR, original of this code still exists in (now deprecated) class:

maven-resolver/maven-resolver-util/src/main/java/org/eclipse/aether/util/ChecksumUtils.java

Lines 58 to 59 in 2f94fd7

	try (BufferedReader br = new BufferedReader(
	new InputStreamReader(new FileInputStream(checksumFile), StandardCharsets.UTF_8), 512)) {