Convert all selinux/* applets to "new style" applet definitions

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

selinux/runcon.c

@@ -28,6 +28,23 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
+//config:config RUNCON
+//config:	bool "runcon"
+//config:	default n
+//config:	depends on SELINUX
+//config:	help
+//config:	  Enable support to run command in specified security context.
+//config:
+//config:config FEATURE_RUNCON_LONG_OPTIONS
+//config:	bool "Enable long options"
+//config:	default y
+//config:	depends on RUNCON && LONG_OPTS
+//config:	help
+//config:	  Support long options for the runcon applet.
+
+//applet:IF_RUNCON(APPLET(runcon, BB_DIR_USR_BIN, BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_RUNCON) += runcon.o
 
 //usage:#define runcon_trivial_usage
 //usage:       "[-c] [-u USER] [-r ROLE] [-t TYPE] [-l RANGE] PROG ARGS\n"