| Index: fpdfsdk/src/fsdk_actionhandler.cpp
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| diff --git a/fpdfsdk/src/fsdk_actionhandler.cpp b/fpdfsdk/src/fsdk_actionhandler.cpp
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| index 496e1131dc2a36953aaf3e030aefa726521117df..3bdc2c8467512c97d3b7a0b72c6cd7b02d4dc38b 100644
 | 
| --- a/fpdfsdk/src/fsdk_actionhandler.cpp
 | 
| +++ b/fpdfsdk/src/fsdk_actionhandler.cpp
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| @@ -5,6 +5,9 @@
 | 
|  // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 | 
|  
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|  #include "fpdfsdk/include/fsdk_actionhandler.h"
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| +
 | 
| +#include <set>
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| +
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|  #include "fpdfsdk/include/fsdk_define.h"
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|  #include "fpdfsdk/include/fsdk_mgr.h"
 | 
|  #include "fpdfsdk/include/javascript/IJavaScript.h"
 | 
| 
 |