[SCSI] iscsi class: fix iscsi conn attr counter

There are 13 iscsi conn attrs, but since the IF/OF markers were not being
used we did not notice that we forgot to increment the ISCSI_CONN_ATTRS
counter.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

drivers/scsi/scsi_transport_iscsi.c

@@ -31,7 +31,7 @@
 #include <scsi/iscsi_if.h>
 
 #define ISCSI_SESSION_ATTRS 19
-#define ISCSI_CONN_ATTRS 11
+#define ISCSI_CONN_ATTRS 13
 #define ISCSI_HOST_ATTRS 4
 #define ISCSI_TRANSPORT_VERSION "2.0-867"