drd-manual.xml: C++ isn't a valid id syntax, use CXX instead.

diff --git a/drd/docs/drd-manual.xml b/drd/docs/drd-manual.xml
index 8e28e96e26226ac496b38fb9c04fa17d8133532f..897a1bbe53133128b7b16ee77b5fcff19329ff18 100644 (file)
--- a/drd/docs/drd-manual.xml
+++ b/drd/docs/drd-manual.xml
@@ -1285,7 +1285,7 @@ before Valgrind's header files are available.
 </sect2>
 
 
-<sect2 id="drd-manual.C++11" xreflabel="C++11">
+<sect2 id="drd-manual.CXX11" xreflabel="C++11">
 <title>Debugging C++11 Programs</title>
 
 <para>If you want to use the C++11 class std::thread you will need to do the