posix.mak: Add DMan tags to dautotest target

Pull in chmgen and related rules to ensure they work correctly.

Author: CyberShadow

posix.mak

@@ -455,7 +455,7 @@ rsync : all kindle pdf
 rsync-only :
 	rsync -avzO --chmod=u=rwX,g=rwX,o=rX --delete $(RSYNC_FILTER) $W/ $(REMOTE_DIR)/
 
-dautotest: all verbatim pdf diffable-intermediaries
+dautotest: all verbatim pdf diffable-intermediaries d-latest.tag d-prerelease.tag
 
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 # Pattern rulez