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

runtime/bin/extensions_win.cc

Index: runtime/bin/extensions_win.cc
diff --git a/runtime/bin/extensions_win.cc b/runtime/bin/extensions_win.cc
index dcc82d0beb6d0fb4c29ba785ce6708415b7841c1..8baf714f5b86e7045b35a259f3334288e100c430 100644
--- a/runtime/bin/extensions_win.cc
+++ b/runtime/bin/extensions_win.cc
@@ -33,20 +33,17 @@ void* Extensions::LoadExtensionLibrary(const char* library_file) {
   return ext;
 }
 
-
 void* Extensions::ResolveSymbol(void* lib_handle, const char* symbol) {
   SetLastError(0);
   return GetProcAddress(reinterpret_cast<HMODULE>(lib_handle), symbol);
 }
 
-
 void Extensions::UnloadLibrary(void* lib_handle) {
   SetLastError(0);
   BOOL result = FreeLibrary(reinterpret_cast<HMODULE>(lib_handle));
   ASSERT(result);
 }
 
-
 Dart_Handle Extensions::GetError() {
   int last_error = GetLastError();
   if (last_error != 0) {