On Amadeus the line continuation backslashes were eaten in $(SOURCES). I do...

On Amadeus the line continuation backslashes were eaten in $(SOURCES). I do not know why this patches fixes this but it appears to be safe. If you have ideas why the problem is fixed please tell me

[[Imported from SVN: r882]]

istl/Makefile.am

@@ -2,13 +2,12 @@
 
 SUBDIRS = . tutorial test paamg
 
-SOURCES = allocator.hh basearray.hh bcrsmatrix.hh bvector.hh gsetc.hh io.hh istlexception.hh vbcrsmatrix.hh vbvector.hh \
+istldir = $(includedir)/dune/istl
+istl_HEADERS = allocator.hh basearray.hh bcrsmatrix.hh bvector.hh gsetc.hh io.hh istlexception.hh vbcrsmatrix.hh vbvector.hh \
 	ilu.hh operators.hh preconditioners.hh solvers.hh indexset.hh communicator.hh remoteindices.hh mpitraits.hh \
 	interface.hh indicessyncer.hh matrixindexset.hh selection.hh plocalindex.hh localindex.hh scalarproducts.hh \
 	solvercategory.hh bdmatrix.hh matrixutils.hh schwarz.hh owneroverlapcopy.hh matrix.hh supermatrix.hh superlu.hh \
 	pardiso.hh overlappingschwarz.hh
 
-istldir = $(includedir)/dune/istl
-istl_HEADERS = $(SOURCES)
 
 include $(top_srcdir)/am/global-rules