[SCSI] qla2xxx: Fix typo in qla2xxx files

Correct spelling typo within qla2xxx files.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 6f67a9d..0b09776 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -1414,7 +1414,7 @@
 
 struct scsi_dif_tuple {
 	__be16 guard;       /* Checksum */
-	__be16 app_tag;         /* APPL identifer */
+	__be16 app_tag;         /* APPL identifier */
 	__be32 ref_tag;         /* Target LBA or indirect LBA */
 };