clang-format c++ code
diff --git a/include/grpc++/config.h b/include/grpc++/config.h
index 0267b85..35bf507 100644
--- a/include/grpc++/config.h
+++ b/include/grpc++/config.h
@@ -59,11 +59,12 @@
#ifndef GRPC_CUSTOM_ZEROCOPYOUTPUTSTREAM
#include <google/protobuf/io/zero_copy_stream.h>
-#define GRPC_CUSTOM_ZEROCOPYOUTPUTSTREAM ::google::protobuf::io::ZeroCopyOutputStream
-#define GRPC_CUSTOM_ZEROCOPYINPUTSTREAM ::google::protobuf::io::ZeroCopyInputStream
+#define GRPC_CUSTOM_ZEROCOPYOUTPUTSTREAM \
+ ::google::protobuf::io::ZeroCopyOutputStream
+#define GRPC_CUSTOM_ZEROCOPYINPUTSTREAM \
+ ::google::protobuf::io::ZeroCopyInputStream
#endif
-
namespace grpc {
typedef GRPC_CUSTOM_STRING string;