Add sp_type_with_alignment

test/Jamfile

@@ -428,3 +428,4 @@ run sp_move_only_deleter.cpp ;
 run sp_is_bounded_array_test.cpp ;
 run sp_is_unbounded_array_test.cpp ;
 run sp_type_identity_test.cpp ;
+run sp_type_with_alignment_test.cpp ;