revert https://trac.osgeo.org/grass/changeset/50755 (fixed by glynn in https://trac.osgeo.org/grass/changeset/50756)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@50757 15284696-431f-4ddb-bdfa-cd5b030d7da7

mswindows/osgeo4w/package.sh

@@ -124,7 +124,7 @@ if ! [ -f mswindows/osgeo4w/configure-stamp ]; then
 		--with-geos=$PWD/mswindows/osgeo4w/geos-config \
 		--with-tcltk \
 		--with-sqlite \
-		--without-postgres \
+		--with-postgres \
 		--with-curses \
 		--with-regex \
 		--with-nls \