Fix no-PCH builds and checkrefs following a4852c4c01

Fixes D2814 / a4852c4c01.


Differential Revision: https://code.wildfiregames.com/D3123
This was SVN commit r24222.

source/ps/scripting/JSInterface_Hotkey.cpp

@@ -19,14 +19,16 @@
 
 #include "JSInterface_Hotkey.h"
 
-#include <unordered_map>
-#include <vector>
-
 #include "lib/external_libraries/libsdl.h"
+#include "ps/CLogger.h"
 #include "ps/Hotkey.h"
 #include "ps/KeyName.h"
 #include "scriptinterface/ScriptConversions.h"
 
+#include <unordered_map>
+#include <vector>
+#include <set>
+
 /**
  * Convert an unordered map to a JS object, mapping keys to values.
  * Assumes T to have a c_str() method that returns a const char*