tzcode1999a.tar.gz and tzdata1999a.tar.gz

The files ftp://elsie.nci.nih.gov/pub/tzcode1999a.tar.gz and ftp://elsie.nci.nih.gov/pub/tzdata1999a.tar.gz are now available. These include error message internationalizations and corrections in zic.c and zdump.c (as suggested by Vladimir Michl, vladimir.michl@upol.cz, to whom thanks!) --ado