fix v8 compute errot

lite/backends/arm/math/conv_impl.cc

@@ -753,7 +753,7 @@ void conv_depthwise_5x5_fp32(const void* din,
                                 param,
                                 act_param,
                                 ctx);
-    else {
+    } else {
       conv_depthwise_5x5s2_fp32(reinterpret_cast<float*>(dout),
                                 reinterpret_cast<const float*>(din),
                                 reinterpret_cast<const float*>(weights),

lite/kernels/arm/conv_depthwise.cc

@@ -60,7 +60,7 @@ void DepthwiseConv<PRECISION(kFloat), PRECISION(kFloat)>::PrepareForRun() {
     auto strides = param.strides;
     bool pads_five = (paddings[0] < 5) || (paddings[2] < 5);
     if (ch_four && pads_five && win >= 2 * kw && hin >= kw &&
-        (strides[0] == 2 && strides[1] == 2) {
+        (strides[0] == 2 && strides[1] == 2)) {
       flag_trans_weights_ = false;
       impl_ = lite::arm::math::conv_depthwise_5x5_fp32;
 #ifdef LITE_WITH_PROFILE