Add missing typename keywords

Author: gmgunter

include/whirlwind/container/heap.hpp

@@ -36,7 +36,7 @@ struct BinaryHeapTraits {
 template<class T, class Key, template<class> class Container = Vector>
 class BinaryHeap : public detail::BinaryHeapTraits<T, Key, Container>::queue_type {
 private:
-    using super_type = detail::BinaryHeapTraits<T, Key, Container>::queue_type;
+    using super_type = typename detail::BinaryHeapTraits<T, Key, Container>::queue_type;
 
 protected:
     using super_type::c;

include/whirlwind/graph/csr_graph.hpp

@@ -27,7 +27,7 @@ subspan_of(ContiguousRange&& r, // NOLINT(cppcoreguidelines-missing-std-forward)
            Size stop)
 {
     const auto begin = std::begin(r);
-    using Difference = std::iterator_traits<decltype(begin)>::difference_type;
+    using Difference = typename std::iterator_traits<decltype(begin)>::difference_type;
     const auto first = begin + static_cast<Difference>(start);
     const auto last = begin + static_cast<Difference>(stop);
     WHIRLWIND_ASSERT(first < std::end(r));