Fix code style in gaussian_random_op.cu

paddle/operators/gaussian_random_op.cu

@@ -49,4 +49,4 @@ class GaussianRandomKernel : public framework::OpKernel {
 }  // namespace paddle
 
 namespace ops = paddle::operators;
-REGISTER_OP_GPU_KERNEL(gaussian_random, ops::GaussianRandomKernel<float>);
\ No newline at end of file
+REGISTER_OP_GPU_KERNEL(gaussian_random, ops::GaussianRandomKernel<float>);