Forgot to install a streams.m4.

Many thanks to Klaus Schneider for the hint!

[[Imported from SVN: r4702]]

m4/Makefile.am

@@ -4,7 +4,7 @@ ALLM4S = acx_blas.m4 acx_mpi.m4 acx_pthread.m4 alberta.m4 alugrid.m4	\
          ax_check_gl.m4 ax_lang_compiler_ms.m4 blas.m4 dune_all.m4      \
          dune_amira.m4 dune_compiler.m4 dune_deprecated.m4 dune_griddim.m4 \
          dune_exprtmpl.m4 dune_linkcxx.m4 dune.m4 dune_mpi.m4           \
-         dune_psurface.m4 f5.m4 fortran_overwrite.m4 grape.m4 hdf5.m4   \
+         dune_psurface.m4 dune_streams.m4 f5.m4 fortran_overwrite.m4 grape.m4 hdf5.m4   \
          immdx_lib_metis.m4 inkscape.m4 mpi-config.m4 opengl.m4         \
          parmetis.m4 superlu-dist.m4 superlu.m4 ug.m4 xdr.m4