Can easily happen at least on WSL. Also avoid warnings about the deprecated readdir_r(). In current POSIX, readdir() is required to be thread-safe. (It might well have been for a long time in those POSIXish platforms we care for, I don't know.) Change-Id: I2b89b7aa170f661365580979d151c1b0557955fd Reviewed-on: https://gerrit.libreoffice.org/c/core/+/197053 Tested-by: Jenkins Reviewed-by: Tor Lillqvist <tml@iki.fi> Reviewed-by: Stephan Bergmann <stephan.bergmann@collabora.com>