Make Pylene gcc11 compiled

pylene/include/mln/core/image/view/extend_by_projection.hpp

@@ -51,7 +51,7 @@ namespace mln
     };
 
   public:
-    extend_by_projection_view_base<I, Proj>(I ima, Proj proj)
+    extend_by_projection_view_base(I ima, Proj proj)
       : base_t{std::move(ima)}
       , m_proj{std::move(proj)}
     {

pylene/include/mln/morpho/private/directional_hqueue.hpp

@@ -79,8 +79,7 @@ namespace mln::morpho::details
   }
 
   template <typename P, typename N, typename K>
-  std::tuple<P, P, int>
-  directional_hqueue<P, N, K>::pop() noexcept
+  std::tuple<P, P, int> directional_hqueue<P, N, K>::pop() noexcept
   {
     assert(m_size > 0);
     const auto p = m_queues[m_current_dir]->pop_front(m_current_level);