Fixup the module keys. There were some problems with hosting / processing
file HTML files on Windows machines do to case insensitivity.
diff --git a/Doc/lib/libgl.tex b/Doc/lib/libgl.tex
index b9fbc2d..0c0f578 100644
--- a/Doc/lib/libgl.tex
+++ b/Doc/lib/libgl.tex
@@ -204,7 +204,7 @@
\section{\module{GL} ---
Constants used with the \module{gl} module}
-\declaremodule{standard}{GL}
+\declaremodule[gl-constants]{standard}{GL}
\platform{IRIX}
\modulesynopsis{Constants used with the \module{gl} module.}