Add pcre as optional dependency for building address standardizer

git-svn-id: http://svn.osgeo.org/postgis/trunk@12798 b70326c6-7e19-0410-871a-916f4a2858ee
fix typo

git-svn-id: http://svn.osgeo.org/postgis/trunk@12799 b70326c6-7e19-0410-871a-916f4a2858ee
get rid of dangling para

git-svn-id: http://svn.osgeo.org/postgis/trunk@12800 b70326c6-7e19-0410-871a-916f4a2858ee