mpi/tools/Makefile.am: fix include of general starpu makefile

mpi/tools/Makefile.am

@@ -16,7 +16,7 @@
 #
 # See the GNU Lesser General Public License in COPYING.LGPL for more details.
 #
-include $(top_srcdir)/starpu.mk
+include $(top_srcdir)/starpu-notests.mk
 
 SUBDIRS =