Update the links to the FIPS document that defines the Secure Hash
Algorithm.  This closes SF bug #454917.
diff --git a/Doc/lib/libsha.tex b/Doc/lib/libsha.tex
index 8eed1f9..2c732d9 100644
--- a/Doc/lib/libsha.tex
+++ b/Doc/lib/libsha.tex
@@ -66,12 +66,13 @@
 \end{methoddesc}
 
 \begin{seealso}
-  \seetitle[http://csrc.nist.gov/fips/fip180-1.txt]{Secure Hash Standard}{
-            The Secure Hash Algorithm is defined by NIST document FIPS
-            PUB 180-1:
-            \citetitle[http://csrc.nist.gov/fips/fip180-1.txt]{Secure
-            Hash Standard}, published in April of 1995.  It is
-            available online as plain text (at least one diagram was
-            omitted) and as PDF at
-            \url{http://csrc.nist.gov/fips/fip180-1.pdf}.}
+  \seetitle[http://csrc.nist.gov/publications/fips/fips180-1/fip180-1.txt]
+    {Secure Hash Standard}
+    {The Secure Hash Algorithm is defined by NIST document FIPS
+     PUB 180-1:
+     \citetitle[http://csrc.nist.gov/publications/fips/fips180-1/fip180-1.txt]
+        {Secure Hash Standard}, published in April of 1995.  It is
+     available online as plain text (at least one diagram was
+     omitted) and as PDF at
+     \url{http://csrc.nist.gov/publications/fips/fips180-1/fip180-1.pdf}.}
 \end{seealso}