Fix leak on tensors

Author: lantiga

src/backends/tensorflow.c

@@ -319,6 +319,7 @@ int RAI_ModelRunTF(RAI_ModelRunCtx* mctx, RAI_Error *error) {
   for(size_t i = 0 ; i < array_len(mctx->outputs) ; ++i) {
     RAI_Tensor* output_tensor = RAI_TensorCreateFromTFTensor(outputTensorsValues[i]);
     mctx->outputs[i].tensor = RAI_TensorGetShallowCopy(output_tensor);
+    RAI_TensorFree(output_tensor);
   }
 
   TF_DeleteStatus(status);

src/backends/torch.c

@@ -81,6 +81,7 @@ int RAI_ModelRunTorch(RAI_ModelRunCtx* mctx, RAI_Error *error) {
     }
     RAI_Tensor* output_tensor = RAI_TensorCreateFromDLTensor(outputs[i]);
     mctx->outputs[i].tensor = RAI_TensorGetShallowCopy(output_tensor);
+    RAI_TensorFree(output_tensor);
   }
 
   return 0;