fix: html templates reference missing issue.index macros

issue.index doesn't exsit in this tracker template. Use bug.index.

Author: rouilj

share/roundup/templates/devel/html/file.index.html

@@ -23,7 +23,7 @@
   <td tal:content="file/creation">creation date</td>
  </tr>
 
- <metal:block use-macro="templates/issue.index/macros/batch-footer" />
+ <metal:block use-macro="templates/bug.index/macros/batch-footer" />
 
 </table>
 

share/roundup/templates/devel/html/msg.index.html

@@ -18,7 +18,7 @@
   </tr>
  </tal:block>
 
- <metal:block use-macro="templates/issue.index/macros/batch-footer" />
+ <metal:block use-macro="templates/bug.index/macros/batch-footer" />
 
 </table>
 </td>

share/roundup/templates/devel/html/patch.index.html

@@ -24,7 +24,7 @@
   <td tal:content="patch/creation">creation date</td>
  </tr>
 
- <metal:block use-macro="templates/issue.index/macros/batch-footer" />
+ <metal:block use-macro="templates/bug.index/macros/batch-footer" />
 
 </table>
 
@@ -57,7 +57,7 @@
   <td tal:content="patch/creation">creation date</td>
  </tr>
 
- <metal:block use-macro="templates/issue.index/macros/batch-footer" />
+ <metal:block use-macro="templates/bug.index/macros/batch-footer" />
 
 </table>