Add explicit destructor to bindingmap class

Required for some compilers

Author: Foereaper

BindingMap.h

@@ -18,7 +18,8 @@ extern "C"
 #include "lauxlib.h"
 };
 
-class BaseBindingMap {
+class BaseBindingMap
+{
 public:
     virtual ~BaseBindingMap() = default;
 };
@@ -74,6 +75,8 @@ class BindingMap : public BaseBindingMap
         maxBindingID(0)
     { }
 
+    ~BindingMap() noexcept override = default;
+
     /*
      * Insert a new binding from `key` to `ref`, which lasts for `shots`-many pushes.
      *