message: fix lambda function time-independent vector function coefficient constructor
diff: @@ -518,7 +518,9 @@ public:
  const lambda &F,
  Coefficient *q = nullptr)
  : VectorFunctionCoefficient(
  - detail::deduce_type_t<decltype(&lambda::operator())>(F))
  + dim,
  + detail::deduce_type_t<decltype(&lambda::operator())>(F),
  + q)
  { }
  /// Construct a time-dependent vector coefficient from a std function
  