Fix compatibility with C++17.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit ad4afbbabf)

noatun-plugins/dub/dub/dub.cpp

@@ -35,6 +35,7 @@
 
 #include <vector>
 #include <algorithm>
+#include <random>
 using std::vector;
 using std::iterator;
 
@@ -548,9 +549,9 @@ void Dub::Shuffle_OneDir::init(const TQString& dir)
       kdDebug(90010) << num_items << " file items" << endl;
       for (int i=0; i<num_items; i++)
 	play_order[i] = i;
-      Random random;
-      Random::init();
-      std::random_shuffle(play_order.begin(), play_order.end(), random);
+      std::random_device randomDev;
+      std::mt19937       randomGenerator(randomDev());
+      std::shuffle(play_order.begin(), play_order.end(), randomGenerator);
     }
   }
 }