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

runtime/vm/native_symbol_macos.cc

Index: runtime/vm/native_symbol_macos.cc
diff --git a/runtime/vm/native_symbol_macos.cc b/runtime/vm/native_symbol_macos.cc
index 6c6c4db46d3c4ea4e2bee225a363d0055b9719c7..e8ca487e83870df4be02015558ed73df5a0341b5 100644
--- a/runtime/vm/native_symbol_macos.cc
+++ b/runtime/vm/native_symbol_macos.cc
@@ -14,10 +14,8 @@ namespace dart {
 
 void NativeSymbolResolver::InitOnce() {}
 
-
 void NativeSymbolResolver::ShutdownOnce() {}
 
-
 char* NativeSymbolResolver::LookupSymbolName(uintptr_t pc, uintptr_t* start) {
   Dl_info info;
   int r = dladdr(reinterpret_cast<void*>(pc), &info);
@@ -38,12 +36,10 @@ char* NativeSymbolResolver::LookupSymbolName(uintptr_t pc, uintptr_t* start) {
   return strdup(info.dli_sname);
 }
 
-
 void NativeSymbolResolver::FreeSymbolName(char* name) {
   free(name);
 }
 
-
 bool NativeSymbolResolver::LookupSharedObject(uword pc,
                                               uword* dso_base,
                                               char** dso_name) {