[NaCl SDK] Compile for naclio for Bionic

native_client_sdk/src/libraries/nacl_io/syscalls/tcflow.c

Index: native_client_sdk/src/libraries/nacl_io/syscalls/tcflow.c
diff --git a/native_client_sdk/src/libraries/nacl_io/syscalls/tcflow.c b/native_client_sdk/src/libraries/nacl_io/syscalls/tcflow.c
index a29915351cf2f2a1b3c8e31ce71c2e8e059b918b..df3233b35e333133ef15af45c28db63ce720c83b 100644
--- a/native_client_sdk/src/libraries/nacl_io/syscalls/tcflow.c
+++ b/native_client_sdk/src/libraries/nacl_io/syscalls/tcflow.c
@@ -2,6 +2,13 @@
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file. */
 
+#include <sys/types.h>
+/*
+ * Include something that will define __BIONIC__, then wrap the entire file
+ * in this #if, so this file will be compiled on a non-bionic build.
+ */
+
+#if !defined(__BIONIC__)
 #include <errno.h>
 
 #include "nacl_io/kernel_intercept.h"
@@ -11,3 +18,5 @@ int tcflow(int fd, int action) {
   errno = ENOSYS;
   return -1;
 }
+
+#endif /* #if !defined(__BIONIC_) */