gawk: upgraded package to upstream

Upgraded sys-apps/gawk to version 5.0.1 on amd64.
This brings in a fix for compiler flag error related to
"-export-dynamic" usage which has been fixed in upstream.

BUG=chromium:1114166
TEST=CQ

Change-Id: I2705a7a776433c10f37fa8f5e233fcfb93667142
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2372697
Reviewed-by: Allen Webb <allenwebb@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Manoj Gupta <manojgupta@chromium.org>
Commit-Queue: Manoj Gupta <manojgupta@chromium.org>
8 files changed