wall: new applet

text	   data	    bss	    dec	    hex	filename
     81	      0	      0	     81	     51	miscutils/wall.o

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/miscutils/Config.in b/miscutils/Config.in
index 9b80488..842f7f9 100644
--- a/miscutils/Config.in
+++ b/miscutils/Config.in
@@ -612,6 +612,12 @@
 	help
 	  Prints a CD-ROM volume name.
 
+config WALL
+	bool "wall"
+	default n
+	help
+	  Write a message to all users that are logged in.
+
 config WATCHDOG
 	bool "watchdog"
 	default n