[NaCl SDK] Modifying size_t and int to off_t.

native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc

Index: native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc
diff --git a/native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc b/native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc
index 31a1d3c73bcf3bf51ee9e1f74c23429d7af94ea6..1f0e84301675cd4beab64745fb57a13f04668c58 100644
--- a/native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc
+++ b/native_client_sdk/src/libraries/nacl_io/html5fs/html5_fs_node.cc
@@ -229,7 +229,7 @@ Error Html5FsNode::Write(const HandleAttr& attr,
 
 int Html5FsNode::GetType() { return fileio_resource_ ? S_IFREG : S_IFDIR; }
 
-Error Html5FsNode::GetSize(size_t* out_size) {
+Error Html5FsNode::GetSize(off_t* out_size) {
   *out_size = 0;
 
   if (IsaDir())
@@ -243,7 +243,7 @@ Error Html5FsNode::GetSize(size_t* out_size) {
   if (result != PP_OK)
     return PPErrorToErrno(result);
 
-  *out_size = static_cast<size_t>(info.size);
+  *out_size = info.size;
   return 0;
 }