[presubmit] Fix whitespace/semicolon linter violations.

src/base/platform/condition-variable.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/base/platform/condition-variable.h"
 
 #include <errno.h>
 #include <time.h>
 
 #include "src/base/platform/time.h"
@@ skipping 246 matching lines @@
 
 
 void ConditionVariable::Wait(Mutex* mutex) {
   // Create and setup the wait event.
   Event* event = native_handle_.Pre();
 
   // Release the user mutex.
   mutex->Unlock();
 
   // Wait on the wait event.
-  while (!event->WaitFor(INFINITE))
-    ;
+  while (!event->WaitFor(INFINITE)) {
+  }
 
   // Reaquire the user mutex.
   mutex->Lock();
 
   // Release the wait event (we must have been notified).
   DCHECK(event->notified_);
   native_handle_.Post(event, true);
 }
 
 
@@ skipping 28 matching lines @@
   // Release the wait event.
   DCHECK(!result || event->notified_);
   native_handle_.Post(event, result);
 
   return result;
 }
 
 #endif  // V8_OS_POSIX
 
 } }  // namespace v8::base