RFR: 8279884: Use better file for cygwin source permission check

Tue Jan 11 21:20:21 UTC 2022

On Tue, 11 Jan 2022 21:07:17 GMT, Mikael Vidstedt <mikael at openjdk.org> wrote:

> For sanity, configure tries to verify that source files have the right permissions by checking the LICENSE file in TOPDIR. That file may not always be available, and for builds where it isn't configure will generate a (harmless) error along the lines of:

Marked as reviewed by erikj (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/7038