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svn:author
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rakuco
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svn:date
V 27
2015-12-21T16:30:06.732651Z
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svn:log
V 230
MFH: r404106

Drop dependency on graphics/plotutils.

According to the port's NEWS and ChangeLog, charts are currently produced
with Cairo and Pango, so the dependency on libplot is useless nowadays.

Approved by:	portmgr blanket

END