Added label to F. Data Types section.
@@ -23,7 +23,7 @@ depending on the {\F} compiler used.
{\sundials} determines this name-mangling scheme at configuration time
(see Appendix \ref{c:install}).
-\section{Fortran Data Types}
+\section{Fortran Data Types}\label{ss:fcdata}
\index{data types!Fortran}
Throughout this documentation, we will refer to data types according
to their usage in C. The equivalent types to these may vary,
