tracehook: comment pasto fixes

Fix some pasto's in comments in the new linux/tracehook.h and
asm-generic/syscall.h files.

Reported-by: Wenji Huang <wenji.huang@oracle.com>
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h
index b48d819..6186a78 100644
--- a/include/linux/tracehook.h
+++ b/include/linux/tracehook.h
@@ -272,7 +272,7 @@
  * tracehook_report_clone_complete().  This must prevent the child from
  * self-reaping if tracehook_report_clone_complete() uses the @child
  * pointer; otherwise it might have died and been released by the time
- * tracehook_report_report_clone_complete() is called.
+ * tracehook_report_clone_complete() is called.
  *
  * Called with no locks held, but the child cannot run until this returns.
  */