[SCSI] mpt2sas: make global symbols unique

The ioc_list global symbol is already used in 1st generation mpt
fusion drivers, so this patch makes it unique in the 2nd generation
driver.  I've checked the entire sources, and I don't see any other
global system missing the mpt2sas_xxx prefix.

Signed-off-by: Eric Moore <eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.h b/drivers/scsi/mpt2sas/mpt2sas_base.h
index 11fc17f..6945ff4 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.h
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.h
@@ -68,11 +68,11 @@
 #define MPT2SAS_DRIVER_NAME		"mpt2sas"
 #define MPT2SAS_AUTHOR	"LSI Corporation <DL-MPTFusionLinux@lsi.com>"
 #define MPT2SAS_DESCRIPTION	"LSI MPT Fusion SAS 2.0 Device Driver"
-#define MPT2SAS_DRIVER_VERSION		"00.100.11.15"
+#define MPT2SAS_DRIVER_VERSION		"00.100.11.16"
 #define MPT2SAS_MAJOR_VERSION		00
 #define MPT2SAS_MINOR_VERSION		100
 #define MPT2SAS_BUILD_VERSION		11
-#define MPT2SAS_RELEASE_VERSION		15
+#define MPT2SAS_RELEASE_VERSION		16
 
 /*
  * Set MPT2SAS_SG_DEPTH value based on user input.
@@ -647,7 +647,7 @@
 
 
 /* base shared API */
-extern struct list_head ioc_list;
+extern struct list_head mpt2sas_ioc_list;
 
 int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
 void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);