Fix missing include for std::min

Build broken on trybot at
http://build.chromium.org/p/tryserver.chromium.win/builders/win8_chromium_rel/builds/66012/steps/compile%20%28with%20patch%29/logs/stdio

R=thestig@chromium.org
TBR=thestig@chromium.org

Review URL: https://codereview.chromium.org/1026843002
diff --git a/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp b/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
index 0ba6830..d98cb03 100644
--- a/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
+++ b/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
@@ -4,6 +4,7 @@
  
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
+#include <algorithm>
 #include <limits>
 
 #include "../../../include/fxcodec/fx_codec.h"