[clangd] clang-format the source code. NFC.

llvm-svn: 315317
diff --git a/clang-tools-extra/clangd/ProtocolHandlers.cpp b/clang-tools-extra/clangd/ProtocolHandlers.cpp
index 11844c3..c43d773 100644
--- a/clang-tools-extra/clangd/ProtocolHandlers.cpp
+++ b/clang-tools-extra/clangd/ProtocolHandlers.cpp
@@ -265,8 +265,8 @@
 } // namespace
 
 void clangd::registerCallbackHandlers(JSONRPCDispatcher &Dispatcher,
-                                     JSONOutput &Out,
-                                     ProtocolCallbacks &Callbacks) {
+                                      JSONOutput &Out,
+                                      ProtocolCallbacks &Callbacks) {
   Dispatcher.registerHandler(
       "initialize", llvm::make_unique<InitializeHandler>(Out, Callbacks));
   Dispatcher.registerHandler(