That also requires a small tweak to localtime.c.patch, otherwise
GCC complains about the position of the 'trydefrules' label.
Also, simplify includes.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
Add tz_posixrules.h with data generated from most recent Cygwin tzdata
package. Establish localtime.cc as primarily a wrapper around a patched
copy of localtime.c. See README for more information.
Corinna Vinschen
Mark Geisert