[PATCH] sched.h: fix a typo ("its")

["Jonathan Neuschäfer" <j.neuschaefer@gmx.net>]

The sectence uses the possessive pronoun, which is spelled without
an apostrophe.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
---
 include/linux/sched.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index c15936f..e89f129 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -516,7 +516,7 @@ struct thread_group_cputimer {
 struct autogroup;
 
 /*
- * NOTE! "signal_struct" does not have it's own
+ * NOTE! "signal_struct" does not have its own
  * locking, because a shared signal_struct always
  * implies a shared sighand_struct, so locking
  * sighand_struct is always a proper superset of
-- 
1.7.4.1