Added missing include.

Together with the last patches this fixes flyspray issue #846

[[Imported from SVN: r1408]]

dune/istl/multitypeblockvector.hh

@@ -9,6 +9,7 @@
 #include <iostream>
 
 #include "istlexception.hh"
+#include <dune/common/ftraits.hh>
 
 #include <boost/fusion/sequence.hpp>
 #include <boost/fusion/container.hpp>

dune/istl/tutorial/Makefile.am

@@ -2,7 +2,7 @@
 
 dist_noinst_DATA = example.cc
 
-check_PROGRAMS = example
+noinst_PROGRAMS = example
 example_SOURCES = example.cc
 example_CPPFLAGS = $(AM_CPPFLAGS) $(BOOST_CPPFLAGS) $(DUNE_CPPFLAGS)