Streamline pattern/meta verifies instead of special casing them

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/options.c b/options.c
index 37e68d2..163e508 100644
--- a/options.c
+++ b/options.c
@@ -675,6 +675,11 @@
 		}
 	}
 	td->o.verify_pattern_bytes = i;
+	/*
+	 * VERIFY_META could already be set
+	 */
+	if (td->o.verify == VERIFY_NONE)
+		td->o.verify = VERIFY_PATTERN;
 	return 0;
 }