postgresql: changed to use default prefix instead of 'opt/postgresql' (IssueID #96)

database/postgresql/postgresql.conf

@@ -14,10 +14,10 @@
 # GNU General Public License can be found in the file COPYING.
 # --- SDE-COPYRIGHT-NOTE-END ---
 
-if [ $prefix_auto = 1 ] ; then
-        prefix="opt/postgresql"
-        set_confopt
-fi
+# use a dedicated sysconfdir
+sysconfdir="$sysconfdir/$pkg"
+# change the default localstatedir
+localstatedir="$localstatedir/lib/$pkg"
 
 if [ "$SDECFG_PKG_POSTGRESQL_CLIENTONLY" == 1 ]; then
 	makeinstopt=