install(1): Fix building on release and older systems.
commit07e64b69ee629f64df1383cd21c9a71166a6aeef
authorSascha Wildner <saw@online.de>
Sat, 28 Jul 2018 12:48:16 +0000 (28 14:48 +0200)
committerSascha Wildner <saw@online.de>
Sat, 28 Jul 2018 12:48:16 +0000 (28 14:48 +0200)
tree8ac2ec0ab168e325c11ab6c13ed408aee89b1b2d
parenta23d58e77370ee6d927e708fda68195d71417ded
install(1): Fix building on release and older systems.

While here, add a comment about this to mtree(8)'s Makefile too.
usr.bin/xinstall/Makefile
usr.sbin/mtree/Makefile