Fix presubmit error

TBR=ricow@chromium.org
Review URL: http://codereview.chromium.org/6093006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6148 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/platform-macos.cc

@@ -437,7 +437,7 @@ static void SetThreadName(const char* name) {
   // Mac OS X does not expose the length limit of the name, so hardcode it.
   static const int kMaxNameLength = 63;
   USE(kMaxNameLength);
-  ASSERT(kMaxThreadNameLength <= kMaxNameLength); 
+  ASSERT(kMaxThreadNameLength <= kMaxNameLength);
   dynamic_pthread_setname_np(name);
 }