8154722: Test gc/ergonomics/TestDynamicNumberOfGCThreads.java fails

Typo error referring new_acitve_workers is corrected as new_active_workers

Reviewed-by: jmasa, drwhite
diff --git a/hotspot/src/share/vm/gc_implementation/shared/adaptiveSizePolicy.cpp b/hotspot/src/share/vm/gc_implementation/shared/adaptiveSizePolicy.cpp
index 40bd69b..3bfbddc 100644
--- a/hotspot/src/share/vm/gc_implementation/shared/adaptiveSizePolicy.cpp
+++ b/hotspot/src/share/vm/gc_implementation/shared/adaptiveSizePolicy.cpp
@@ -168,7 +168,7 @@
 
   if (TraceDynamicGCThreads) {
      gclog_or_tty->print_cr("GCTaskManager::calc_default_active_workers() : "
-       "active_workers(): %d  new_acitve_workers: %d  "
+       "active_workers(): %d  new_active_workers: %d  "
        "prev_active_workers: %d\n"
        " active_workers_by_JT: %d  active_workers_by_heap_size: %d",
        (int) active_workers, (int) new_active_workers, (int) prev_active_workers,