[wwwdocs] Adjust to move from bugs.html to bugs/

[Gerald Pfeifer]

And this is one final adjustment.  Installed.

Gerald

Index: gcc-4.4/porting_to.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.4/porting_to.html,v
retrieving revision 1.5
diff -u -3 -p -r1.5 porting_to.html
--- gcc-4.4/porting_to.html	18 Apr 2009 21:11:37 -0000	1.5
+++ gcc-4.4/porting_to.html	3 Dec 2009 08:28:22 -0000
@@ -96,10 +96,10 @@ This can be temporarily worked around by
 using <code>-fno-strict-aliasing </code> or by ignoring this class of
 warning via <code>-Wno-strict-aliasing</code>. To fix, access the
 structure from pointers of an equivalent type, use a union, use
-memcpy, or (if using C++) use placement new. See the section titled "Casting
-does not work as expected when optimization is turned on" on the GCC bug
-reporting documentation <a href="http://gcc.gnu.org/bugs.html">page</a> for more
-information.
+memcpy, or (if using C++) use placement new. See the section titled
+"Casting does not work as expected when optimization is turned
+on" on <a href="http://gcc.gnu.org/bugs/">bug reporting
+documentation page</a> for more information.
 </p>
 
 <h3>C++ language issues</h3>