scsi: scsi_dh: Fix a typo

s/infrastruture/infrastructure/

[mkp: combined .c and .h patches]

Link: https://lore.kernel.org/r/20210322064724.4108343-1-unixbhaskar@gmail.comSigned-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

frog

drivers/scsi/scsi_dh.c

 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * SCSI device handler infrastruture.
+ * SCSI device handler infrastructure.
  *
  * Copyright IBM Corporation, 2007
  *      Authors:

include/scsi/scsi_dh.h

 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Header file for SCSI device handler infrastruture.
+ * Header file for SCSI device handler infrastructure.
  *
  * Modified version of patches posted by Mike Christie <michaelc@cs.wisc.edu>
  *