fix file specification in comments

Many files include the filename at the beginning, serveral used a wrong one.

Signed-off-by: Uwe Zeisberger <Uwe_Zeisberger@digi.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index e5ebcc1..9cbb5d1 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -1,5 +1,5 @@
 /*
- * linux/kernel/posix_timers.c
+ * linux/kernel/posix-timers.c
  *
  *
  * 2002-10-15  Posix Clocks & timers