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

runtime/vm/longjump.cc

Index: runtime/vm/longjump.cc
diff --git a/runtime/vm/longjump.cc b/runtime/vm/longjump.cc
index d79ee760deaa87288fba9767d04844e09682e79e..8ea1415dd5fd2b8ac37b8a5f9979febb4c9bcefb 100644
--- a/runtime/vm/longjump.cc
+++ b/runtime/vm/longjump.cc
@@ -21,7 +21,6 @@ jmp_buf* LongJumpScope::Set() {
   return &environment_;
 }
 
-
 bool LongJumpScope::IsSafeToJump() {
   // We do not want to jump past Dart frames.  Note that this code
   // assumes the stack grows from high to low.
@@ -44,7 +43,6 @@ bool LongJumpScope::IsSafeToJump() {
   return ((top_exit_frame_info == 0) || (jumpbuf_addr < top_exit_frame_info));
 }
 
-
 void LongJumpScope::Jump(int value, const Error& error) {
   // A zero is the default return value from setting up a LongJumpScope
   // using Set.