automatically regenerated doxygen references for date_time

[SVN r33616]

doc/Jamfile.v2

@@ -18,6 +18,10 @@ boostbook doc : src/boost.xml
      <dependency>../libs/typeof/doc//typeof
      <dependency>../libs/xpressive/doc//autodoc.xml
      <dependency>../libs/xpressive/doc//xpressive
+     <dependency>../libs/date_time/xmldoc//date_time_autodoc.xml
+     <dependency>../libs/date_time/xmldoc//gregorian_autodoc.xml
+     <dependency>../libs/date_time/xmldoc//posix_time_autodoc.xml
+     <dependency>../libs/date_time/xmldoc//local_time_autodoc.xml
      <dependency>../more/whos_using//using
      <dependency>../tools/jam/doc//bjam
      <dependency>../tools/quickbook/doc//quickbook