Fix product and Mac build.

runtime/bin/platform_linux.cc

Index: runtime/bin/platform_linux.cc
diff --git a/runtime/bin/platform_linux.cc b/runtime/bin/platform_linux.cc
index 420bfb61c53053b299751446e20458fef7eb8804..0d3338c91588fcafa11d8f61cc4b158a8f981d40 100644
--- a/runtime/bin/platform_linux.cc
+++ b/runtime/bin/platform_linux.cc
@@ -22,12 +22,12 @@ char* Platform::resolved_executable_name_ = NULL;
 int Platform::script_index_ = 1;
 char** Platform::argv_ = NULL;
 
-
 static void segv_handler(int signal, siginfo_t* siginfo, void* context) {
   Dart_DumpNativeStackTrace(context);
   abort();
 }
 
+
 bool Platform::Initialize() {
   // Turn off the signal handler for SIGPIPE as it causes the process
   // to terminate on writing to a closed pipe. Without the signal