Revert "A few more changes to remove "lib" from "libwsutil" on Windows."

This reverts commit 2fbedef5d13194c693ed6d0e773de249a6698278.

Most of the change to remove "lib" seems to work, but the list of libraries to sign appears not to be in the source repository, so I can't make that step work.

Change-Id: I88245c046b1cf1c76c73fc8e4bc13868e0df4e44
Reviewed-on: https://code.wireshark.org/review/2971
Reviewed-by: Guy Harris <guy@alum.mit.edu>