fix clang error (#7084)

paddle/framework/data_transform_test.cc

@@ -31,18 +31,16 @@ using namespace platform;
  *       1111 -> FP64, GPUPlace, kNCHW, kMKLDNN
  */
 
-std::array<proto::DataType, 2> kDataType = {proto::DataType::FP32,
-                                            proto::DataType::FP64};
+std::array<proto::DataType, 2> kDataType = {
+    {proto::DataType::FP32, proto::DataType::FP64}};
 
-std::array<Place, 2> kPlace = {CPUPlace(), CUDAPlace(0)};
+std::array<Place, 2> kPlace = {{CPUPlace(), CUDAPlace(0)}};
 
 std::array<DataLayout, 2> kDataLayout = {
-    DataLayout::kNHWC, DataLayout::kNCHW,
-};
+    {DataLayout::kNHWC, DataLayout::kNCHW}};
 
 std::array<LibraryType, 2> kLibraryType = {
-    LibraryType::kPlain, LibraryType::kMKLDNN,
-};
+    {LibraryType::kPlain, LibraryType::kMKLDNN}};
 
 OpKernelType GenFromBit(const std::vector<bool> bits) {
   return OpKernelType(kDataType[bits[0]], kPlace[bits[1]], kDataLayout[bits[2]],