PB_HTYPE_x | PB_LTYPE_x becomes an int according to C, and some compilers warn when assigning that to an enum value. Also correct an associated term in reference.rst. git-svn-id: https://svn.kapsi.fi/jpa/nanopb-dev@1006 e3a754e5-d11d-0410-8d38-ebb782a927b9