add includes for 'from_range' and 'from_vector'

Author: mnikander

src/sequence.hpp

@@ -6,6 +6,8 @@
 #include "sink/to_value.hpp"
 #include "sink/to_vector.hpp"
 #include "source/from_iota.hpp"
+#include "source/from_range.hpp"
+#include "source/from_vector.hpp"
 #include "stage/generic/emit.hpp"
 #include "stage/generic/stage.hpp"
 #include "stage/duplicate.hpp"