ovs-actions.xml: Add missing bracket.
A bracket is apparently missing in ovs-actions(7).
The patch changes the relevant row from:
ct(argument]...)
to:
ct([argument]...)
@@ -1965,7 +1965,7 @@ for <var>i</var> in [1,<var>n_members</var>]:
<action name="CT">
<h2>The <code>ct</code> action</h2>
- <syntax><code>ct(<var>argument</var></code>]...<code>)</code></syntax>
+ <syntax><code>ct(</code>[<code><var>argument</var></code>]...<code>)</code></syntax>
<syntax><code>ct(commit</code>[<code>, <var>argument</var></code>]...<code>)</code></syntax>
<p>
