removed all C-style casts

src/game.cc

@@ -178,7 +178,7 @@ game_result game::run() {
                 if (killer == nullptr)
                         return {dead, "You died: killed by your own stupidity!"};
 
-                return {dead, (std::string)"You died: killed by a(n) " +
+                return {dead, std::string{"You died: killed by a(n) "} +
                         killer->get_race_name()};
         }