update: GNU parallel to version 20180922

Hi ports,

a straightforward version bump. 'make test' pass.

ok?

Index: Makefile
===================================================================
RCS file: /home/nayden/cvsync/ports/sysutils/parallel/Makefile,v
retrieving revision 1.19
diff -u -p -r1.19 Makefile
--- Makefile 5 Feb 2018 13:47:27 -0000 1.19
+++ Makefile 2 Oct 2018 03:11:58 -0000
@@ -2,7 +2,7 @@

COMMENT = execute jobs in parallel

-DISTNAME = parallel-20180122
+DISTNAME = parallel-20180922

CATEGORIES = sysutils

Index: distinfo
===================================================================
RCS file: /home/nayden/cvsync/ports/sysutils/parallel/distinfo,v
retrieving revision 1.15
diff -u -p -r1.15 distinfo
--- distinfo 5 Feb 2018 13:47:27 -0000 1.15
+++ distinfo 2 Oct 2018 03:14:19 -0000
@@ -1,2 +1,2 @@
-SHA256 (parallel-20180122.tar.bz2) =
6QbCcd+g6XOp6hUf58qrp0Lg9ADoamlofqawSta9a/I=
-SIZE (parallel-20180122.tar.bz2) = 1717905
+SHA256 (parallel-20180922.tar.bz2) =
6geO8OBSjJtdHGC/bPhFTOdYZSGYLGd6RQ4Lr/inBx8=
+SIZE (parallel-20180922.tar.bz2) = 1782128
Index: pkg/PLIST
===================================================================
RCS file: /home/nayden/cvsync/ports/sysutils/parallel/pkg/PLIST,v
retrieving revision 1.6
diff -u -p -r1.6 PLIST
--- pkg/PLIST 31 Jan 2018 19:14:06 -0000 1.6
+++ pkg/PLIST 2 Oct 2018 03:18:00 -0000
@@ -6,6 +6,7 @@ bin/env_parallel.csh
bin/env_parallel.dash
bin/env_parallel.fish
bin/env_parallel.ksh
+bin/env_parallel.mksh
bin/env_parallel.pdksh
bin/env_parallel.sh
bin/env_parallel.tcsh
@@ -13,6 +14,7 @@ bin/env_parallel.zsh
bin/niceload
bin/parallel
bin/parcat
+bin/parset
bin/sem
bin/sql
@man man/man1/env_parallel.1