XFA: Fix the Mac build after commit 375a86403b7f.
TBR=tsepez@chromium.org
Review URL: https://codereview.chromium.org/1578003002 .
diff --git a/xfa/src/fgas/src/crt/fx_stream.cpp b/xfa/src/fgas/src/crt/fx_stream.cpp
index fb8c3c7..9663351 100644
--- a/xfa/src/fgas/src/crt/fx_stream.cpp
+++ b/xfa/src/fgas/src/crt/fx_stream.cpp
@@ -1323,8 +1323,9 @@
return FALSE;
}
const uint8_t* pBuffer = m_pBufferRead->GetBlockBuffer();
- FX_FILESIZE dwOffset = offset - dwBlockOffset;
- size_t dwCopySize = std::min(size, dwBlockSize - dwOffset);
+ const FX_FILESIZE dwOffset = offset - dwBlockOffset;
+ size_t dwCopySize =
+ std::min(size, static_cast<size_t>(dwBlockSize - dwOffset));
FXSYS_memcpy(buffer, pBuffer + dwOffset, dwCopySize);
offset = dwCopySize;
size -= dwCopySize;
