printutils/*: convert to new-style "one file" applets

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

printutils/lpd.c

@@ -69,6 +69,15 @@
  * cat ./"$DATAFILE" >/dev/lp0
  * mv -f ./"$DATAFILE" save/
  */
+//config:config LPD
+//config:	bool "lpd"
+//config:	default y
+//config:	help
+//config:	  lpd is a print spooling daemon.
+
+//applet:IF_LPD(APPLET(lpd, BB_DIR_USR_SBIN, BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_LPD) += lpd.o
 
 //usage:#define lpd_trivial_usage
 //usage:       "SPOOLDIR [HELPER [ARGS]]"