FreeBSD/src d567f90 (r352482). Makefile.inc1, lib Makefile

Add native support for zstd to libarchive

Note that old pkg will failed to build after this. A recent ports tree (one
providing pkg 1.12+) is required to build. Older already built pkg, should
continue working as expected

PR:             238797
Exp run by:     antoine
Reviewed by:    cem
Approved by:    cem
Differential Revision:  https://reviews.freebsd.org/D20752
DeltaFile
+3-2lib/libarchive/Makefile
+1-1lib/Makefile
+1-0Makefile.inc1
+5-33 files

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