Include array, explicitly

src/overlay.cpp

@@ -30,6 +30,7 @@
 #include <mutex>
 #include <vector>
 #include <list>
+#include <array>
 #include <cmath>
 #include <libgen.h>
 

src/overlay_params.cpp

@@ -10,6 +10,7 @@
 #include <sstream>
 #include <algorithm>
 #include <cctype>
+#include <array>
 
 #include "overlay_params.h"
 #include "overlay.h"