#2277, potential segfault condition removed


git-svn-id: http://svn.osgeo.org/postgis/trunk@11315 b70326c6-7e19-0410-871a-916f4a2858ee
#2275, revert configure argument with-pgconfig


git-svn-id: http://svn.osgeo.org/postgis/trunk@11319 b70326c6-7e19-0410-871a-916f4a2858ee