docs: Fixed Windows build for 7.7.1

(cherry picked from commit a0518e66b2960d3bab386985e24ccbc9c51abf97)
diff --git a/docs/relnotes-7.7.1.html b/docs/relnotes-7.7.1.html
index b20c8a7..959efd9 100644
--- a/docs/relnotes-7.7.1.html
+++ b/docs/relnotes-7.7.1.html
@@ -43,6 +43,7 @@
 <li>Allocate constants more tightly in GL_ARB_vertex/fragment parser.
 <li>Fixed mipmap generation bug caused by invalid viewport state.
 <li>Gallium SSE codegen for XPD didn't always work.
+<li>Fixed Windows build.
 </ul>