Saving new network in correct path.

src/eval/nnue/evaluate_nnue.cpp

@@ -23,7 +23,10 @@ AlignedPtr<FeatureTransformer> feature_transformer;
 AlignedPtr<Network> network;
 
 // Evaluation function file name
-std::string fileName = "eval\\nn.bin";
+std::string fileName = "nn.bin";
+
+// Saved evaluation function file name
+std::string savedfileName = "nn.bin";
 
 // Get a string that represents the structure of the evaluation function
 std::string GetArchitectureString() {