math/plplot on powerpc

Hello,

plplot on powerpc works just fine now, this part did not make it with the cmake/plplot update.

-m

Index: Makefile
===================================================================
RCS file: /cvs/ports/math/plplot/Makefile,v
retrieving revision 1.67
diff -u -p -u -p -r1.67 Makefile
--- Makefile 21 Aug 2019 05:47:45 -0000 1.67
+++ Makefile 22 Aug 2019 18:35:30 -0000
@@ -1,7 +1,5 @@
# $OpenBSD: Makefile,v 1.67 2019/08/21 05:47:45 rsadowski Exp $

-BROKEN-powerpc = Error: Kind -2 not supported for type INTEGER at (1)
-
COMMENT-main = advanced 2D and 3D scientific plotting library
COMMENT-c++ = C++ interface to plplot
COMMENT-fortran = Fortran 77 interface to plplot