fix format. test=develop

paddle/fluid/operators/jit/test.cc

@@ -799,7 +799,7 @@ void TestKernelStrideScal() {
   using T = typename KernelTuple::data_type;
   VLOG(10) << "Test JITKernel: " << jit::to_string(KernelTuple::kernel_type);
   for (int d : TestSizes()) {
-    for (int m : {1, 2, 3}) { // stride
+    for (int m : {1, 2, 3}) {  // stride
       if (m > d || d % m != 0) {
         continue;
       }