[master] 727cdcbb3 doc: Mention logexpect -run

[Dridi Boukelmoune]

commit 727cdcbb3417d51c8cb531e54b387510bb8e19b5
Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
Date:   Tue Aug 9 10:57:51 2022 +0200

    doc: Mention logexpect -run

diff --git a/bin/varnishtest/vtc_logexp.c b/bin/varnishtest/vtc_logexp.c
index c542619b1..07024e23d 100644
--- a/bin/varnishtest/vtc_logexp.c
+++ b/bin/varnishtest/vtc_logexp.c
@@ -47,7 +47,7 @@
  *                         fail clear
  *                         abort
  *                         ...
- *                 } [-start|-wait]
+ *                 } [-start|-wait|-run]
  *
  * And once declared, you can start them, or wait on them::
  *
@@ -86,6 +86,9 @@
  * \-wait
  *         Wait for the logexpect thread to finish
  *
+ * \-run
+ *        Equivalent to "-start -wait".
+ *
  * VSL arguments (similar to the varnishlog options):
  *
  * \-C