Work around broken build on FreeBSD 11.0-CURRENT i386, which appears
to be a code generation bug in clang 3.6 when using -Os optimization.
Use the dictionaries already installed by ports.
Update patch-*.mk patches to versions that were imported upstream.
They are tuned for clang to use as is, with only some minor
additional tweaks needed for gcc.
Wordsmith pkg-message.
Some Makefile cleanups.