Mark IosFlagsRestorer deprecated.

[[Imported from SVN: r6026]]

dune/common/ios.hh

@@ -2,8 +2,11 @@
 // vi: set et ts=4 sw=2 sts=2:
 #ifndef DUNE_IOS_HH
 #define DUNE_IOS_HH
+
 #include <ios>
 
+#include <dune/common/deprecated.hh>
+
 namespace Dune {
   /** @addtogroup Common
    *
@@ -20,8 +23,9 @@ namespace Dune {
    * The constructor stores the flags currently set in the ios and the
    * destructor sets these flags  in the ios object again.
    *
+   * \deprecated Use ios_base_all_saver instead.
    */
-  class IosFlagsRestorer
+  class DUNE_DEPRECATED IosFlagsRestorer
   {
   public:
     /**