URL reverse the IPR search link instead of hardcoding it

 - Legacy-Id: 5610

Author: OleLaursen

ietf/templates/doc/document_draft.html

@@ -224,7 +224,7 @@
 
   <div class="links">
     <a href="mailto:{{ doc.name }}@tools.ietf.org?subject=Mail%20regarding%20{{ doc.name }}" rel="nofollow">Email Authors</a>
-  | <a href="/ipr/search/?option=document_search&amp;id={{ doc.name }}" rel="nofollow">IPR Disclosures</a>
+  | <a href="{% url ipr_search %}?option=document_search&amp;id={{ doc.name }}" rel="nofollow">IPR Disclosures</a>
   | <a href="http://www.fenron.net/~fenner/ietf/deps/index.cgi?dep={{ name }}" rel="nofollow">Dependencies to this document</a>
   | <a href="http://tools.ietf.org/idnits?url=http://tools.ietf.org/id/{{ doc.filename_with_rev }}" rel="nofollow" target="_blank">Check nits</a>
   | <a href="/feed/comments/{{ name }}/">History feed</a>