Fix whitespace

src/hotspot/share/gc/shenandoah/shenandoahVerifier.cpp

@@ -621,7 +621,7 @@ void ShenandoahVerifier::verify_at_safepoint(const char *label,
   guarantee(ShenandoahVerify, "only when enabled, and bitmap is initialized in ShenandoahHeap::initialize");
 
   ShenandoahHeap::heap()->set_gc_state_all_threads();
-  
+
   // Avoid side-effect of changing workers' active thread count, but bypass concurrent/parallel protocol check
   ShenandoahPushWorkerScope verify_worker_scope(_heap->workers(), _heap->max_workers(), false /*bypass check*/);