K 10
svn:author
V 6
brooks
K 8
svn:date
V 27
2020-09-09T23:38:10.474185Z
K 7
svn:log
V 298
graphics/pgplot: Fix duplicate source file

This will result in linker errors once D26044 is commited since
currently duplicates are silently filtered out.

While here, add LICENSE variables.

Submitted by:	arichardson
Reviewed by:	zeising
Differential Revision:	https://reviews.freebsd.org/D26371

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