This changeset ensures the directory path is provided in error messages when `_unzip_file_pclzip()` is unable to create a directory. This removes `substr()` which was returning an empty string in some use cases.
Props gunterer, SergeyBiryukov, n8finch, peterwilsoncc, audrasjb, rsiddharth, costdev , desrosj, mukesh27.
Fixes#54477.
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git-svn-id: http://core.svn.wordpress.org/trunk@54001 1a063a9b-81f0-0310-95a4-ce76da25c4cd