modules_k/dialog: In docs, fix indention of example to

"detect_spirals".

modules_k/dialog/doc/dialog_admin.xml

@@ -341,9 +341,9 @@ modparam("dialog", "dlg_match_mode", 1)
 		<example>
 			<title>Set <varname>detect_spirals</varname> parameter</title>
 			<programlisting format="linespecific">
-				...
-				modparam("dialog", "detect_spirals", 1)
-				...
+...
+modparam("dialog", "detect_spirals", 1)
+...
 			</programlisting>
 		</example>
 	</section>