Fix C4434 warning about 32-bit shift assigned to 64-bits

core/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp

Index: core/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp
diff --git a/core/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp b/core/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp
index 6be90941d62ea55fb1561724bb3afa0270d09267..140ca38f99acdde05fab29ba55fabf9ef54eb9d6 100644
--- a/core/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp
+++ b/core/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp
@@ -75,7 +75,7 @@ bool CJBig2_ArithIntDecoder::decode(CJBig2_ArithDecoder* pArithDecoder,
 
 CJBig2_ArithIaidDecoder::CJBig2_ArithIaidDecoder(unsigned char SBSYMCODELENA)
     : SBSYMCODELEN(SBSYMCODELENA) {
-  m_IAID.resize(1 << SBSYMCODELEN);
+  m_IAID.resize(static_cast<size_t>(1) << SBSYMCODELEN);
 }
 
 CJBig2_ArithIaidDecoder::~CJBig2_ArithIaidDecoder() {}