Fixes in traversers benchmark.

src/Benchmarks/Traversers/GridTraversersBenchmark_1D.h

@@ -154,10 +154,10 @@ class GridTraversersBenchmark< 1, Device, Real, Index >
       {
          if( std::is_same< Device, Devices::Host >::value )
          {
-            v_data[ 0 ] = 2;
+            v_data[ 0 ] = +2;
             for( int i = 1; i < size - 1; i++ )
-               v_data[ i ] = 1.0;
-            v_data[ size - 1 ] =  2;
+               v_data[ i ] = +1.0;
+            v_data[ size - 1 ] = +2;
          }
          else // Device == Devices::Cuda
          {

src/Benchmarks/Traversers/tnl-benchmark-traversers.h

@@ -189,6 +189,8 @@ bool runBenchmark( const Config::ParameterContainer& parameters,
       }
       std::cout << "--------------------------------------------------------------------------------------------------------" << std::endl;
    }
+   return true;
+
 
    /****
     * Full grid traversing including boundary conditions