[wwwdocs] Update notes on libstdc++ header dependency changes in GCC 14

[Jonathan Wakely]

Pushed to wwwdocs.

-- >8 --

---
 htdocs/gcc-14/porting_to.html | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/htdocs/gcc-14/porting_to.html b/htdocs/gcc-14/porting_to.html
index dea9ac80..3e4cedc3 100644
--- a/htdocs/gcc-14/porting_to.html
+++ b/htdocs/gcc-14/porting_to.html
@@ -38,10 +38,14 @@ be included explicitly when compiling with GCC 14:
 </p>
 <ul>
 <li> <code>&lt;algorithm&gt;</code>
-  (for <code>std::copy_n</code>, <code>std::lower_bound</code>,
+  (for <code>std::copy_n</code>, <code>std::find_if</code>,
+  <code>std::lower_bound</code>,
   <code>std::remove</code>, <code>std::reverse</code>,
   <code>std::sort</code> etc.)
 </li>
+<li> <code>&lt;cstdint&gt;</code>
+  (for <code>std::int8_t</code>, <code>std::int32_t</code> etc.)
+</li>
 </ul>
 
 <!-- <h2 id="fortran">Fortran language issues</h2> -->
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2.43.0