pgsql-server: Add missing <getopt.h>, per Dann Corbit.

Log Message:
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Add missing <getopt.h>, per Dann Corbit.

Modified Files:
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pgsql-server/src/timezone:
zic.c (r1.8 -> r1.9)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/timezone/zic.c.diff?r1=1.8&amp;r2=1.9)