Refer the reader to the correct module for constant definitions.
This closes SF bug #550777.
diff --git a/Doc/lib/libfcntl.tex b/Doc/lib/libfcntl.tex
index bc125e5..33a5893 100644
--- a/Doc/lib/libfcntl.tex
+++ b/Doc/lib/libfcntl.tex
@@ -50,7 +50,7 @@
\begin{funcdesc}{ioctl}{fd, op, arg}
This function is identical to the \function{fcntl()} function, except
that the operations are typically defined in the library module
- \module{IOCTL}.
+ \refmodule{termios}.
\end{funcdesc}
\begin{funcdesc}{flock}{fd, op}