3w-9xxx.c: Cleaning up missing null-terminate in conjunction with strncpy

Replacing strncpy with strlcpy to avoid strings that lacks null terminate.
And use the sizeof on the to string rather than strlen on the from string.
Signed-off-by: NRickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Acked-by: NAdam Radford <aradford@gmail.com>
Signed-off-by: NChristoph Hellwig <hch@lst.de>

drivers/scsi/3w-9xxx.c

@@ -608,7 +608,8 @@ static int twa_check_srl(TW_Device_Extension *tw_dev, int *flashed)
 	}
 
 	/* Load rest of compatibility struct */
-	strncpy(tw_dev->tw_compat_info.driver_version, TW_DRIVER_VERSION, strlen(TW_DRIVER_VERSION));
+	strlcpy(tw_dev->tw_compat_info.driver_version, TW_DRIVER_VERSION,
+		sizeof(tw_dev->tw_compat_info.driver_version));
 	tw_dev->tw_compat_info.driver_srl_high = TW_CURRENT_DRIVER_SRL;
 	tw_dev->tw_compat_info.driver_branch_high = TW_CURRENT_DRIVER_BRANCH;
 	tw_dev->tw_compat_info.driver_build_high = TW_CURRENT_DRIVER_BUILD;