[cmake,bugfix] Fixes issue with versions of suggestions.

Du to typo the length of the modules and version list of the suggestion
differed. This patch fixes this.
(cherry picked from commit 17d244c1)

Signed-off-by: Markus Blatt <markus@dr-blatt.de>

cmake/modules/DuneMacros.cmake

@@ -297,7 +297,7 @@ macro(dune_module_information MODULE_DIR)
   # 3. Check for line starting with Depends
   extract_line("Depends:" ${DUNE_MOD_NAME}_DEPENDS "${DUNE_MODULE}")
   if(${DUNE_MOD_NAME}_DEPENDS)
-    split_module_version(${${DUNE_MOD_NAME}_DEPENDS} ${DUNE_MOD_NAME}_DEPENDS_MODULE ${DUNE_MOD_NAME}_DEPENDS_VERSIONS)
+    split_module_version(${${DUNE_MOD_NAME}_DEPENDS} ${DUNE_MOD_NAME}_DEPENDS_MODULE ${DUNE_MOD_NAME}_DEPENDS_VERSION)
     foreach(_mod ${${DUNE_MOD_NAME}_DEPENDS})
       set(${_mod}_REQUIRED REQUIRED)
     endforeach(_mod ${${DUNE_MOD_NAME}_DEPENDS})
@@ -334,6 +334,8 @@ macro(dune_process_dependency_leafs modules versions is_required next_level_deps
   list(LENGTH mmodules mlength)
   list(LENGTH mversions vlength)
   if(NOT mlength EQUAL vlength)
+    message(STATUS "mmodules=${mmodules} modules=${modules}")
+    message(STATUS "mversions=${mversions} versions=${mversions}")
     message(FATAL_ERROR "List of modules and versions do not have the same length!")
   endif(NOT mlength EQUAL vlength)
   if(mlength GREATER 0)
@@ -408,8 +410,8 @@ macro(dune_create_dependency_tree)
   set(ALL_DEPENDENCIES "")
   if(${ProjectName}_DEPENDS_MODULE OR ${ProjectName}_SUGGESTS_MODULE)
     set(ALL_DEPENDENCIES ${${ProjectName}_DEPENDS_MODULE} ${${ProjectName}_SUGGESTS_MODULE})
-    dune_create_dependency_leafs("${${ProjectName}_DEPENDS_MODULE}" "${${ProjectName}_DEPENDS_VERSIONS}"
-      "${${ProjectName}_SUGGESTS_MODULE}" "${${ProjectName}_SUGGESTS_VERSIONS}")
+    dune_create_dependency_leafs("${${ProjectName}_DEPENDS_MODULE}" "${${ProjectName}_DEPENDS_VERSION}"
+      "${${ProjectName}_SUGGESTS_MODULE}" "${${ProjectName}_SUGGESTS_VERSION}")
   endif(${ProjectName}_DEPENDS_MODULE OR ${ProjectName}_SUGGESTS_MODULE)
   set(_my_path "")
   if(ALL_DEPENDENCIES)