Update issues.html

Allow a 'no change' option separate from 'unresolved'

Author: svgeesus

issues.html

@@ -121,6 +121,7 @@ <h1>
 
 		<select id="resolution">
 			<option value="">Unresolved</option>
+			<option value="nochange">No change</option>
 			<option value="editorial">Editorial</option>
 			<option value="bugfix">Bugfix</option>
 			<option value="resolution">WG Resolution</option>