File harmonySEQ-deque.patch of Package harmonyseq

diff -up harmonySEQ-0.17/src/Engine.hpp.orig harmonySEQ-0.17/src/Engine.hpp
--- harmonySEQ-0.17/src/Engine.hpp.orig	2020-03-04 14:48:23.000000000 +0100
+++ harmonySEQ-0.17/src/Engine.hpp	2020-06-25 07:43:30.709501060 +0200
@@ -25,6 +25,7 @@
 #include <boost/signals2.hpp>
 namespace bs2 = boost::signals2;
 
+#include <deque>
 #include <alsa/asoundlib.h>
 
 class DiodeMidiEvent;