Enable TokuDB engine for x86_64

Re-enable tokudb_innodb_xa_crash again, seems to be fixed now

mariadb.spec

@@ -3,7 +3,11 @@
 
 # TokuDB engine is now part of MariaDB, but it is available only for x86_64;
 # variable tokudb allows to build with TokuDB storage engine
+%ifarch x86_64
+%bcond_without tokudb
+%else
 %bcond_with tokudb
+%endif
 
 # The Open Query GRAPH engine (OQGRAPH) is a computation engine allowing
 # hierarchies and more complex graph structures to be handled in a relational
@@ -827,6 +831,8 @@ fi
 %changelog
 * Tue Jul 15 2014 Honza Horak <hhorak@redhat.com> - 1:10.0.12-3
 - Enable OQGRAPH engine
+- Enable TokuDB engine for x86_64
+- Re-enable tokudb_innodb_xa_crash again, seems to be fixed now
 
 * Wed Jun 18 2014 Mikko Tiihonen <mikko.tiihonen@iki.fi> - 1:10.0.12-2
 - Use -fno-delete-null-pointer-checks to avoid segfaults with gcc 4.9

rh-skipped-tests-base.list

@@ -1,8 +1,3 @@
-# Disable tokudb_innodb_xa_crash temporarily, until it is fixed:
-#
-
-tokudb_innodb_xa_crash    : https://bugzilla.redhat.com/show_bug.cgi?id=1018192
-
 # These tests fail with MariaDB 10:
 
 main.func_str                                : rhbz#1096787