missing header

HDembinski · HDembinski · commit 75ccfe9f3e10 · 2018-09-16T18:50:27.000+02:00
diff --git a/include/boost/histogram/storage/array_storage.hpp b/include/boost/histogram/storage/array_storage.hpp
@@ -10,6 +10,7 @@
 #include <algorithm>
 #include <boost/histogram/detail/meta.hpp>
 #include <boost/histogram/storage/weight_counter.hpp>
+#include <boost/assert.hpp>
 #include <cstddef>
 #include <memory>
 #include <vector>
