libpcp_web: fix compile warning in schema.c from uninit'd hash
libpcp_web: fix compile warning in schema.c from uninit'd hash

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