webserver: install unversioned library and pkg-config file

versioned pkg-config file is now a symlink pointing to unversioned one.

BUG=chromium:1094927
TEST=CQ

Cq-Depend: chromium:2586590
Change-Id: I4884714311fef20bae7adec0a001a266bda5b4b3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/2586591
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Qijiang Fan <fqj@google.com>
Tested-by: Qijiang Fan <fqj@google.com>
1 file changed