Certain package elements not visible in pkg_info -L output

Hi Marc,

After introduction of @so and @static-lib markers they are not visible
in pkg_info -L output. Tests are done on a recent snapshot.

# sysctl -n kern.version
OpenBSD 6.6-current (GENERIC.MP) #583: Wed Jan 1 12:21:07 MST 2020
deraadt@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP

# grep -ce '\.so$' /var/db/pkg/glib2-networking-*/+CONTENTS
3

# pkg_info -L glib2-networking | grep -ce '\.so$'
0

# grep -ce '\.a$' /var/db/pkg/hplip-common-*/+CONTENTS
4

# pkg_info -L hplip-common | grep -ce '\.a$'
0

--
Regards,
Mikolaj