Fix LogSoftmax for ONNX

Fix wrong indentation as well while at it

modules/dnn/src/onnx/onnx_importer.cpp

@@ -786,6 +786,11 @@ void ONNXImporter::populateNet(Net dstNet)
             }
             replaceLayerParam(layerParams, "mode", "interpolation");
         }
+        else if (layer_type == "LogSoftmax")
+        {
+            layerParams.type = "Softmax";
+            layerParams.set("log_softmax", true);
+        }
         else
         {
             for (int j = 0; j < node_proto.input_size(); j++) {
@@ -816,7 +821,7 @@ void ONNXImporter::populateNet(Net dstNet)
         CV_Assert(!layerOutShapes.empty());
         outShapes[layerParams.name] = layerOutShapes[0];
     }
- }
+}
 
 Net readNetFromONNX(const String& onnxFile)
 {

modules/dnn/test/test_onnx_importer.cpp

@@ -245,6 +245,12 @@ TEST_P(Test_ONNX_layers, Reshape)
     testONNXModels("unsqueeze");
 }
 
+TEST_P(Test_ONNX_layers, Softmax)
+{
+    testONNXModels("softmax");
+    testONNXModels("log_softmax");
+}
+
 INSTANTIATE_TEST_CASE_P(/*nothing*/, Test_ONNX_layers, dnnBackendsAndTargets());
 
 class Test_ONNX_nets : public Test_ONNX_layers {};