Bug 278333 Bad link on LXR main page to nspr reference

patch by gavin.sharp@gmail.com r=timeless

webtools/lxr/root/index.html

@@ -60,7 +60,7 @@
       <DD>
          <FONT SIZE="-1">
           This module is 
-          <A HREF="http://www.mozilla.org/docs/refList/refNSPR/moddesc.html">NSPR</A>, 
+          <A HREF="http://www.mozilla.org/projects/nspr/reference/html/index.html">NSPR</A>, 
           a cross platform library for operating system facilities 
           including threads, I/O, timing and memory management.
          </FONT>