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

runtime/bin/extensions.cc

Index: runtime/bin/extensions.cc
diff --git a/runtime/bin/extensions.cc b/runtime/bin/extensions.cc
index 9a537830f9905f32f1767df93b224163c993d1b6..9f8edfec2f96b75543e70ab0d68a73e445fc0684 100644
--- a/runtime/bin/extensions.cc
+++ b/runtime/bin/extensions.cc
@@ -23,7 +23,6 @@ static char PathSeparator() {
   return sep[0];
 }
 
-
 void* Extensions::MakePathAndResolve(const char* dir, const char* name) {
   // First try to find the library with a suffix specifying the architecture.
   {
@@ -59,7 +58,6 @@ void* Extensions::MakePathAndResolve(const char* dir, const char* name) {
   }
 }
 
-
 // IMPORTANT: In the absolute path case, do not extract the filename and search
 // for that by passing it to LoadLibrary. That can lead to confusion in
 // which the absolute path is wrong, and a different version of the library is
@@ -74,7 +72,6 @@ void* Extensions::ResolveAbsPathExtension(const char* extension_path) {
   return library_handle;
 }
 
-
 void* Extensions::ResolveExtension(const char* extension_directory,
                                    const char* extension_name) {
   // If the path following dart-ext is an absolute path, then only look for the
@@ -96,7 +93,6 @@ void* Extensions::ResolveExtension(const char* extension_directory,
   return MakePathAndResolve("", extension_name);
 }
 
-
 Dart_Handle Extensions::LoadExtension(const char* extension_directory,
                                       const char* extension_name,
                                       Dart_Handle parent_library) {
@@ -123,7 +119,6 @@ Dart_Handle Extensions::LoadExtension(const char* extension_directory,
   return (*fn)(parent_library);
 }
 
-
 // Concatenates a NULL terminated array of strings.
 // The returned string is scope allocated.
 const char* Extensions::Concatenate(const char** strings) {