libpcp/connectlocal.c: fix a couple of compilation warnings
libpcp/connectlocal.c: fix a couple of compilation warnings

Noticed path may be used and not set on a couple of error branches.

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp