Use new dune macro dune_add_latex_document instead of add_latex_document for comm documentation.

[[Imported from SVN: r1887]]

doc/comm/CMakeLists.txt

@@ -6,7 +6,7 @@ add_executable(indexset "indexset.cc")
 target_link_libraries(indexset "dunecommon")
 add_dune_mpi_flags("poosc08;poosc08_test;indexset")
 if(LATEX_USABLE)
-  ADD_LATEX_DOCUMENT(communication.tex FATHER_TARGET doc
+  dune_add_latex_document(communication.tex FATHER_TARGET doc
     BIBFILES communication.bib DEFAULT_SAFEPDF INPUTS poosc08_test.cc
     IMAGE_DIRS figures)
   create_doc_install(${CMAKE_CURRENT_BINARY_DIR}/communication.pdf ${CMAKE_INSTALL_DOCDIR}/comm communication_safepdf)