Fixed regression: wrong URL to IESG state diagram in state help. Fixes issue ietf-tools#1119.

 - Legacy-Id: 6088

Author: levkowetz

ietf/templates/doc/state_help.html

@@ -11,7 +11,7 @@
 <h1>{{ title }}</h1>
 
 {% if state_type.slug == "draft-iesg" %}
-<p><a href="/images/iesg_draft_state_diagram.png">View Diagram</a></p>
+<p><a href="/images/iesg-draft-state-diagram.png">View Diagram</a></p>
 {% endif %}
 
 <table class="ietf-table">