FreeBSD/ports 2b86b24 (r506777)archivers/arj Makefile distinfo

archivers/arj: Unbreak upgrading debian patchset

Version 17 of debian patches is not available anymore.  Upgrade it to use
version 21 and fix the build

PR:             239233
Reported by:    Darin Luckie <darin at technotic.ca>
MFH:            2019Q3
Sponsored by:   Rubicon Communications, LLC (Netgate)
DeltaFile
+4-3archivers/arj/Makefile
+3-3archivers/arj/distinfo
+7-62 files

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