*: add INSERTs to *.src files where appropriate

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/runit/Config.src b/runit/Config.src
index 53b4451..9db9740 100644
--- a/runit/Config.src
+++ b/runit/Config.src
@@ -5,6 +5,8 @@
 
 menu "Runit Utilities"
 
+INSERT
+
 config RUNSV
 	bool "runsv"
 	default y