K 10
svn:author
V 6
marino
K 8
svn:date
V 27
2013-10-01T17:41:26.976727Z
K 7
svn:log
V 221
science/libkml: add <unistd.h> for modern compilers

Also, this port unfortunately sets -Werror, and the use of long-long
with c++98 triggers a warning, so also turn off that check.

Approved by:	portmgr (bapt, implicit)

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