Update extensions.htm with bug fix

Fixed .svg coding for partial trailbreak images.

extensions.htm

@@ -210,8 +210,8 @@ <h3>Once these new versions, dated June 2023, have been downloaded from VASL.inf
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                 <td><a href="./extensions/e6/DYO Campaign.vmdx" class="internal" title="DYO Campaign.vmdx">DYO Campaign.vmdx</a></td>
                 <td><p style="color:red;"></p>
-                  Contains various counters and overlays supporting DYO Campaign games as well as certain counters that may be useful in other scenarios.  See included help file for full User's Guide.</td>
-                <td>v5.1<p style="color:red;">November, 2024</p></td>
+                  Contains various counters and overlays supporting DYO Campaign games as well as certain counters that may be useful in other scenarios.  See included help file for full User's Guide. v5.2 fixes bug in the Trail Break overlay.</td>
+                <td>v5.3<p style="color:red;">December, 2024</p></td>
                 <td>Alan Bills</td>
               </tr>
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