Remove __db_lock.share file

configure.in

@@ -1728,6 +1728,8 @@ if test $ol_with_ldbm_api = auto \
 		OL_BERKELEY_COMPAT_DB
 	else
 		OL_BERKELEY_DB
+
+		if( -e __db_lock.share ) rm -f __db_lock.share
 	fi
 
 	if test $ol_cv_berkeley_db != no ; then