tree-wide: fix misspelling of "definition" in comments

"Definition" is misspelled "defintion" in several comments; this
patch fixes them. No code changes.

Signed-off-by: Adam Buchbinder <adam.buchbinder@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h
index 2d07f89..3877737 100644
--- a/fs/cifs/cifspdu.h
+++ b/fs/cifs/cifspdu.h
@@ -1227,7 +1227,7 @@
 /* empty wct response to setattr */
 
 /*******************************************************/
-/* NT Transact structure defintions follow             */
+/* NT Transact structure definitions follow            */
 /* Currently only ioctl, acl (get security descriptor) */
 /* and notify are implemented                          */
 /*******************************************************/