Enable building tests in MSVC 2013

src/scenario/monster.hpp

@@ -14,10 +14,9 @@
 #include <array>
 #include <iosfwd>
 
-#include "sounds.hpp"
-#include "living.hpp"
 #include "monster_abilities.hpp"
 #include "race.hpp"
+#include "location.hpp"
 
 namespace legacy {
 	struct monster_record_type;

src/scenario/scenario.hpp

@@ -12,8 +12,9 @@
 #include <iosfwd>
 #include <array>
 #include <boost/filesystem/path.hpp>
-#include "terrain.hpp"
 #include "monster.hpp"
+// For reasons unknown, putting terrain above monster breaks the tests build in MSVC 2013
+#include "terrain.hpp"
 #include "vehicle.hpp"
 #include "item.hpp"
 #include "special.hpp"