doxygen: Add doxyfile for glsl module
diff --git a/doxygen/header.html b/doxygen/header.html
index 378dc94..ed3512d 100644
--- a/doxygen/header.html
+++ b/doxygen/header.html
@@ -7,6 +7,7 @@
<div class="qindex">
<a class="qindex" href="../main/index.html">core</a> |
<a class="qindex" href="../glapi/index.html">glapi</a> |
+<a class="qindex" href="../glsl/index.html">glsl</a> |
<a class="qindex" href="../vbo/index.html">vbo</a> |
<a class="qindex" href="../math/index.html">math</a> |
<a class="qindex" href="../shader/index.html">shader</a> |