[wwwdocs] Add functions that require to GCC 12 porting-to docs

[Jonathan Wakely via Gcc-patches]

Pushed to wwwdocs.

---
 htdocs/gcc-12/porting_to.html | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/htdocs/gcc-12/porting_to.html b/htdocs/gcc-12/porting_to.html
index 470703c7..079bda30 100644
--- a/htdocs/gcc-12/porting_to.html
+++ b/htdocs/gcc-12/porting_to.html
@@ -67,7 +67,8 @@ be included explicitly when compiled with GCC 12:
   (for <code>std::shared_ptr</code>, <code>std::unique_ptr</code> etc.)
 </li>
 <li> <code>&lt;iterator&gt;</code>
-  (for <code>std::istream_iterator</code>, 
<code>std::istreambuf_iterator</code>)
+  (for <code>std::begin</code>, <code>std::end</code>, <code>std::size</code>,
+  <code>std::istream_iterator</code>, <code>std::istreambuf_iterator</code>)
 </li>
 <li> <code>&lt;algorithm&gt;</code>
   (for <code>std::for_each</code>, <code>std::copy</code> etc.)
-- 
2.34.1