DragonFlyBSD/src 86aedfeusr.bin/finger Makefile, usr.bin/systat Makefile

Shorten some paths in various Makefiles.
DeltaFile
+3-3usr.sbin/rpc.yppasswdd/Makefile
+2-3usr.bin/users/Makefile
+2-3usr.bin/wall/Makefile
+2-3usr.bin/write/Makefile
+2-3usr.bin/finger/Makefile
+2-2usr.bin/systat/Makefile
+1-1usr.sbin/rpc.ypxfrd/Makefile
+1-1usr.sbin/yp_mkdb/Makefile
+1-1usr.sbin/yppush/Makefile
+16-209 files

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