Moved install directive for iteratortest.hh to parent directory as the

test directory is excluded from all and apparently not considered
during make install

[[Imported from SVN: r6674]]

dune/common/CMakeLists.txt

@@ -89,3 +89,7 @@ install(FILES
 	unused.hh
 	version.hh
 DESTINATION include/dune/common)
+
+# Install some test headers, because they get used by tests in other modules
+# We do this here as test will not be considered for make install
+install(FILES test/iteratortest.hh DESTINATION include/dune/common/test)

dune/common/test/CMakeLists.txt

-# Install some test headers, because they get used by tests in other modules
-install(FILES iteratortest.hh DESTINATION include/dune/common/test)
-
 # tests that should build and run successfully
 set(TESTS
     arraylisttest