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

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

coreutils/rmdir.c

@@ -6,6 +6,23 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+//config:config RMDIR
+//config:	bool "rmdir"
+//config:	default y
+//config:	help
+//config:	  rmdir is used to remove empty directories.
+//config:
+//config:config FEATURE_RMDIR_LONG_OPTIONS
+//config:	bool "Enable long options"
+//config:	default y
+//config:	depends on RMDIR && LONG_OPTS
+//config:	help
+//config:	  Support long options for the rmdir applet, including
+//config:	  --ignore-fail-on-non-empty for compatibility with GNU rmdir.
+
+//applet:IF_RMDIR(APPLET_NOFORK(rmdir, rmdir, BB_DIR_BIN, BB_SUID_DROP, rmdir))
+
+//kbuild:lib-$(CONFIG_RMDIR) += rmdir.o
 
 /* BB_AUDIT SUSv3 compliant */
 /* http://www.opengroup.org/onlinepubs/007904975/utilities/rmdir.html */