build: fixup url
build: fixup url

Fixup url in configure.ac to point to issues page.

Change-Id: Ife6a259cfd830c03d24ffc333dc3780aab8531df
Signed-off-by: Patrick Venture <36c53fa43f47f3fd67cb2fc38031827244d18a1f@google.com>

openbmc/phosphor-pid-control,openbmc/phosphor-pid-control