+ build-fixes for MSYS for two test-programs (patches by Ray Donnelly,
Alexey Pavlov).
+ revert change to two of the dpkg format files, to work with dpkg
before/after Debian #700177.
+ fix gcc -Wconversion warning in wattr_get() macro.
+ add msys and msysdll to known host/configuration types (patch by
Alexey Pavlov).
+ modify CF_RPATH_HACK configure macro to not rely upon "-u" option
of sort, improving portability.
+ minor improvements for test-programs from reviewing Solaris port.
+ update config.guess, config.sub from
http://git.savannah.gnu.org/cgit/config.git