slattach: new applet.

diff --git a/networking/Config.in b/networking/Config.in
index 13ad13f..77b5d25 100644
--- a/networking/Config.in
+++ b/networking/Config.in
@@ -548,6 +548,12 @@
 	help
 	  Route displays or manipulates the kernel's IP routing tables.
 
+config SLATTACH
+	bool "slattach"
+	default n
+	help
+	  slattach is a small utility to attach network interfaces to serial lines.
+
 config TELNET
 	bool "telnet"
 	default n