init: change exec parsing to make SECLABEL optional
(cherry pick from commit 17fff893c04971b519d25d52b07f51111353cba5)
Allow SECLABEL to be - to denote default
Change-Id: I58cdc6c805dc6e50dc42b7e13e72d0eaf4864f11
diff --git a/init/readme.txt b/init/readme.txt
index 6b9c42d..c213041 100644
--- a/init/readme.txt
+++ b/init/readme.txt
@@ -180,7 +180,7 @@
Fork and execute command with the given arguments. The command starts
after "--" so that an optional security context, user, and supplementary
groups can be provided. No other commands will be run until this one
- finishes.
+ finishes. <seclabel> can be a - to denote default.
export <name> <value>
Set the environment variable <name> equal to <value> in the