dev-libs/libxslt: Add DEPEND on virtual/pkgconfig.

This fixes a breakage on ToT.

Pull request: https://github.com/gentoo/gentoo/pull/16976

BUG=chromium:1113478
TEST=./update_chroot

Change-Id: I5dc8fecd86cf1ebc52706bc4ff0cd0f47ab65d53
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2340390
Commit-Queue: Allen Webb <allenwebb@google.com>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Allen Webb <allenwebb@google.com>
Auto-Submit: Allen Webb <allenwebb@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
2 files changed