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

runtime/vm/cpu_ia32.cc

Index: runtime/vm/cpu_ia32.cc
diff --git a/runtime/vm/cpu_ia32.cc b/runtime/vm/cpu_ia32.cc
index a5f02c29dd65e064e8ab8a7d11ccb47c60ebf223..5ff61736b7c6658f6625c52b7652acb8ee42f280 100644
--- a/runtime/vm/cpu_ia32.cc
+++ b/runtime/vm/cpu_ia32.cc
@@ -23,12 +23,10 @@ void CPU::FlushICache(uword start, uword size) {
   // Nothing to be done here.
 }
 
-
 const char* CPU::Id() {
   return "ia32";
 }
 
-
 bool HostCPUFeatures::sse2_supported_ = false;
 bool HostCPUFeatures::sse4_1_supported_ = false;
 const char* HostCPUFeatures::hardware_ = NULL;
@@ -49,7 +47,6 @@ void HostCPUFeatures::InitOnce() {
 #endif
 }
 
-
 void HostCPUFeatures::Cleanup() {
   DEBUG_ASSERT(initialized_);
 #if defined(DEBUG)