[x265] [PATCH] nit: typo in comment

[Pradeep Ramachandran]

# HG changeset patch
# User Pradeep Ramachandran <pradeep at multicorewareinc.com>
# Date 1443084533 -19800
#      Thu Sep 24 14:18:53 2015 +0530
# Node ID 68068d4a3821b9c8426ad5d0b570ab5f7d1941f6
# Parent  dba5f4be2701a9da2669f738a62ba51c7871a613
nit: typo in comment

diff -r dba5f4be2701 -r 68068d4a3821 source/common/threadpool.h
--- a/source/common/threadpool.h	Mon Sep 21 10:58:59 2015 +0530
+++ b/source/common/threadpool.h	Thu Sep 24 14:18:53 2015 +0530
@@ -116,7 +116,7 @@
  * called. If it returns non-zero then some number of slave worker threads are
  * already in the process of calling your processTasks() function. The master
  * thread should participate and call processTasks() itself. When
- * waitForExit() returns, all bonded peer threads are quarunteed to have
+ * waitForExit() returns, all bonded peer threads are guaranteed to have
  * exitied processTasks(). Since the thread count is small, it uses explicit
  * locking instead of atomic counters and bitmasks */
 class BondedTaskGroup