[mxnet] Add unistd.h header in tensor_filter_mxnet

Add unistd.h header to use R_OK macro.

Signed-off-by: makesource <makesource@gmail.com>

diff --git a/ext/nnstreamer/tensor_filter/tensor_filter_mxnet.cc b/ext/nnstreamer/tensor_filter/tensor_filter_mxnet.cc
index fdbc146..b85f7dd 100644 (file)
--- a/ext/nnstreamer/tensor_filter/tensor_filter_mxnet.cc
+++ b/ext/nnstreamer/tensor_filter/tensor_filter_mxnet.cc
@@ -84,6 +84,7 @@
 #include <nnstreamer_util.h>
 #include <stdexcept>
 #include <tensor_common.h>
+#include <unistd.h>
 
 #include <fcntl.h>
 #include <glib.h>