docs: document removal of makedepend build dependency

Build dependency removed with
424f2008814ed9047628c40ccd4258a8a9fd8299

Reviewed-by: Matt Turner <mattst88@gmail.com>

diff --git a/docs/relnotes-9.1.html b/docs/relnotes-9.1.html
index 350ae276602405c60d34036d86e102537af71e86..75e82ba995759c3078ae10e30e4b1a4f41f9f97d 100644 (file)
--- a/docs/relnotes-9.1.html
+++ b/docs/relnotes-9.1.html
@@ -72,6 +72,7 @@ Note: some of the new features are only available with certain drivers.
 <li>Removed swrast support for GL_NV_vertex_program</li>
 <li>Removed swrast support for GL_NV_fragment_program</li>
 <li>Removed OpenVMS support (unmaintained and broken)</li>
+<li>Removed makedepend build dependency</li>
 </ul>
 
 </div>