The C implementation supports PFX

Author: jedisct1

www/pages/implementations.md

@@ -203,7 +203,7 @@ Below is a comprehensive list of all available IPCrypt implementations. Click on
                 <td class="py-2 px-4 border">C</td>
                 <td class="py-2 px-4 border">Native</td>
                 <td class="py-2 px-4 border text-center">✓</td>
-                <td class="py-2 px-4 border text-center">-</td>
+                <td class="py-2 px-4 border text-center">✓</td>
                 <td class="py-2 px-4 border text-center">✓</td>
                 <td class="py-2 px-4 border text-center">✓</td>
                 <td class="py-2 px-4 border text-center">✓</td>