pmcertificatemgr: Add missing dependency on glib-2.0

:Release Notes:
glib-2.0 is needed.

:Detailed Notes:
do_configure fails with:
| -- checking for module 'glib-2.0'
| --   package 'glib-2.0' not found

:Testing Performed:
Only build tested.

:QA Notes:
No change to image.

:Issues Addressed:
[GF-42606] Ongoing metadata improvement/cleanup work

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <martin.jansa@lge.com>

Change-Id: I0a30b3fba9f4951a1a8272b4e840819f79e6942e
Reviewed-on: https://g2g.palm.com/4168
Reviewed-by: DCO Verification
Reviewed-by: Susan Montooth <susan.montooth@lge.com>
Tested-by: Susan Montooth <susan.montooth@lge.com>