checkpatch: produce fewer lines of output

Produce one less line of output per flagged incident.

Change this:

use tabs not spaces
PATCH: /home/rddunlap/arcmsr1200014.patch4:756:
FILE: b/drivers/scsi/arcmsr/arcmsr_hba.c:1843:
+                     return PCI_ERS_RESULT_NEED_RESET;$

to this:

use tabs not spaces
#756: FILE: b/drivers/scsi/arcmsr/arcmsr_hba.c:1843:
+                     return PCI_ERS_RESULT_NEED_RESET;$

Cc: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>