[NaCl SDK] nacl_io: ignore mode bits when creating files.

native_client_sdk/src/libraries/nacl_io/kernel_handle.cc

Index: native_client_sdk/src/libraries/nacl_io/kernel_handle.cc
diff --git a/native_client_sdk/src/libraries/nacl_io/kernel_handle.cc b/native_client_sdk/src/libraries/nacl_io/kernel_handle.cc
index 5c5bcc10b2f30e2ca66ba561ea0f936a81a13132..f7bf16313f554758a19ebbbdf70a48132edc3707 100644
--- a/native_client_sdk/src/libraries/nacl_io/kernel_handle.cc
+++ b/native_client_sdk/src/libraries/nacl_io/kernel_handle.cc
@@ -40,7 +40,7 @@ SocketNode* KernelHandle::socket_node() {
 Error KernelHandle::Init(int open_flags) {
   handle_attr_.flags = open_flags;
 
-  if (!node_->CanOpen(open_flags)) {
+  if ((open_flags & O_CREAT) == 0 && !node_->CanOpen(open_flags)) {
     return EACCES;
   }