A64: Synchronize with r15545.

src/platform-openbsd.cc

Index: src/platform-openbsd.cc
diff --git a/src/platform-openbsd.cc b/src/platform-openbsd.cc
index f2d9dd48cb734a3cc6b1abdc05a1563e1235b839..f849d588240ac81beb952dd17b6c5f1567b5ac2c 100644
--- a/src/platform-openbsd.cc
+++ b/src/platform-openbsd.cc
@@ -79,7 +79,7 @@ static void* GetRandomMmapAddr() {
   // CpuFeatures::Probe. We don't care about randomization in this case because
   // the code page is immediately freed.
   if (isolate != NULL) {
-#ifdef V8_TARGET_ARCH_X64
+#if V8_TARGET_ARCH_X64
     uint64_t rnd1 = V8::RandomPrivate(isolate);
     uint64_t rnd2 = V8::RandomPrivate(isolate);
     uint64_t raw_addr = (rnd1 << 32) ^ rnd2;
@@ -720,6 +720,7 @@ bool OpenBSDSemaphore::Wait(int timeout) {
   }
 }
 
+
 Semaphore* OS::CreateSemaphore(int count) {
   return new OpenBSDSemaphore(count);
 }