VM: Re-format to use at most one newline between functions

runtime/bin/io_natives.cc

Index: runtime/bin/io_natives.cc
diff --git a/runtime/bin/io_natives.cc b/runtime/bin/io_natives.cc
index fa3e16847b069a0dd38c9a16babfa270b8ee109b..1bdb3079eb10e74bafeb320b1d8e4dfd2233c791 100644
--- a/runtime/bin/io_natives.cc
+++ b/runtime/bin/io_natives.cc
@@ -177,7 +177,6 @@ static struct NativeEntries {
   int argument_count_;
 } IOEntries[] = {IO_NATIVE_LIST(REGISTER_FUNCTION)};
 
-
 Dart_NativeFunction IONativeLookup(Dart_Handle name,
                                    int argument_count,
                                    bool* auto_setup_scope) {
@@ -198,7 +197,6 @@ Dart_NativeFunction IONativeLookup(Dart_Handle name,
   return NULL;
 }
 
-
 const uint8_t* IONativeSymbol(Dart_NativeFunction nf) {
   int num_entries = sizeof(IOEntries) / sizeof(struct NativeEntries);
   for (int i = 0; i < num_entries; i++) {