| diff --git a/third_party/agg23/agg_array.h b/third_party/agg23/agg_array.h | 
 | index b82d95296..ed22c40e9 100644 | 
 | --- a/third_party/agg23/agg_array.h | 
 | +++ b/third_party/agg23/agg_array.h | 
 | @@ -16,6 +16,8 @@ | 
 |  #ifndef AGG_ARRAY_INCLUDED | 
 |  #define AGG_ARRAY_INCLUDED | 
 |   | 
 | +#include <string.h> | 
 | + | 
 |  #include "agg_basics.h" | 
 |  #include "core/fxcrt/fx_memory.h"  // For FXSYS_* macros. | 
 |   | 
 | diff --git a/third_party/agg23/agg_path_storage.cpp b/third_party/agg23/agg_path_storage.cpp | 
 | index 2981e9c0c..d4225124d 100644 | 
 | --- a/third_party/agg23/agg_path_storage.cpp | 
 | +++ b/third_party/agg23/agg_path_storage.cpp | 
 | @@ -25,6 +25,8 @@ | 
 |   | 
 |  #include "agg_path_storage.h" | 
 |   | 
 | +#include <string.h> | 
 | + | 
 |  #include "agg_math.h" | 
 |  #include "core/fxcrt/fx_memory.h" | 
 |   |