fixup dynamic scan aids EXPORT_SYMBOL mismerge

OK, so I exported the wrong symbols ...
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/scsi_scan.c

@@ -1112,6 +1112,7 @@ void scsi_rescan_device(struct device *dev)
 		module_put(drv->owner);
 	}
 }
+EXPORT_SYMBOL(scsi_rescan_device);
 
 /**
  * scsi_scan_target - scan a target id, possibly including all LUNs on the
@@ -1230,7 +1231,6 @@ int scsi_scan_host_selected(struct Scsi_Host *shost, unsigned int channel,
 
 	return 0;
 }
-EXPORT_SYMBOL(scsi_scan_host_selected);
 
 /**
  * scsi_scan_host - scan the given adapter
@@ -1254,6 +1254,7 @@ void scsi_scan_single_target(struct Scsi_Host *shost,
 {
 	scsi_scan_host_selected(shost, chan, id, SCAN_WILD_CARD, 1);
 }
+EXPORT_SYMBOL(scsi_scan_single_target);
 
 void scsi_forget_host(struct Scsi_Host *shost)
 {