Keep two empty lines between declarations for cpp files

src/platform-win32.cc

Index: src/platform-win32.cc
===================================================================
--- src/platform-win32.cc	(revision 15486)
+++ src/platform-win32.cc	(working copy)
@@ -152,6 +152,7 @@
   memmove(dest, src, size);
 }
 
+
 // Initialize to library version so we can call this at any time during startup.
 static OS::MemMoveFunction memmove_function = &MemMoveWrapper;
 
@@ -178,6 +179,7 @@
   modulo_function = CreateModuloFunction();
 }
 
+
 double modulo(double x, double y) {
   // Note: here we rely on dependent reads being ordered. This is true
   // on all architectures we currently support.
@@ -321,6 +323,7 @@
   TimeStamp time_;
 };
 
+
 // Static variables.
 bool Time::tz_initialized_ = false;
 TIME_ZONE_INFORMATION Time::tzinfo_;
@@ -616,6 +619,7 @@
   return t.ToJSTime();
 }
 
+
 // Returns the tickcounter based on timeGetTime.
 int64_t OS::Ticks() {
   return timeGetTime() * 1000;  // Convert to microseconds.
@@ -1449,6 +1453,7 @@
   return frames_count;
 }
 
+
 // Restore warnings to previous settings.
 #pragma warning(pop)