algorithms_cpp: Fix and cleanup of MergeSort

algorithms_cpp/include/embb/algorithms/internal/for_each-inl.h

@@ -116,7 +116,7 @@ void ForEachRecursive(RAI first, RAI last, Function unary,
       block_size = 1;
     }
   }
-  // Perform check of task number sufficiency
+  // Check task number sufficiency
   if (((distance / block_size) * 2) + 1 > MTAPI_NODE_MAX_TASKS_DEFAULT) {
     EMBB_THROW(embb::base::ErrorException,
                "Not enough MTAPI tasks available for parallel foreach");

algorithms_cpp/include/embb/algorithms/merge_sort.h

@@ -168,7 +168,7 @@ void MergeSortAllocate(
   typename std::iterator_traits<RAI>::difference_type distance = last - first;
   typedef typename std::iterator_traits<RAI>::value_type value_type;
   value_type* temporary = static_cast<value_type*>(
-                          Alloc::Allocate(distance * sizeof(value_type)));
+                            Alloc::Allocate(distance * sizeof(value_type)));
   MergeSort(first, last, temporary, comparison, policy, block_size);
   Alloc::Free(temporary);
 }