Patch directive for readNetFromDarknet NAN_METHOD in dnn.cc

Author: Johnson Su

cc/modules/dnn/dnn.cc

@@ -26,21 +26,6 @@ NAN_MODULE_INIT(Dnn::Init) {
 #endif
 };
 
-NAN_METHOD(Dnn::readNetFromDarknet)
-{
-  FF::SyncBinding(
-      std::make_shared<DnnBindings::readNetFromDarknetWorker>(),
-      "readNetFromDarknet",
-      info);
-}
-
-NAN_METHOD(Dnn::readNetFromDarknetAsync)
-{
-  FF::AsyncBinding(
-      std::make_shared<DnnBindings::readNetFromDarknetWorker>(),
-      "readNetFromDarknetAsync",
-      info);
-}
 
 NAN_METHOD(Dnn::ReadNetFromTensorflow) {
   FF::SyncBinding(
@@ -107,6 +92,22 @@ NAN_METHOD(Dnn::BlobFromImagesAsync) {
 }
 
 #if CV_VERSION_MINOR > 3
+NAN_METHOD(Dnn::readNetFromDarknet)
+{
+  FF::SyncBinding(
+      std::make_shared<DnnBindings::readNetFromDarknetWorker>(),
+      "readNetFromDarknet",
+      info);
+}
+
+NAN_METHOD(Dnn::readNetFromDarknetAsync)
+{
+  FF::AsyncBinding(
+      std::make_shared<DnnBindings::readNetFromDarknetWorker>(),
+      "readNetFromDarknetAsync",
+      info);
+}
+
 NAN_METHOD(Dnn::NMSBoxes) {
   FF::SyncBinding(
     std::make_shared<DnnBindings::NMSBoxes>(),