fix: regression with blob array values from 3.17.2

changelog.md

+# 3.17.3
+- [FIXED] Regression with array values from security fix in 3.17.2
+
 # 3.17.2
 - [SECURITY] Force non-buffer blob values to string, https://github.com/nodejs/node/issues/4660
 

lib/data-types.js

@@ -578,7 +578,11 @@ BLOB.prototype.validate = function(value) {
 BLOB.prototype.escape = false;
 BLOB.prototype.$stringify = function (value) {
   if (!Buffer.isBuffer(value)) {
-    value = new Buffer(value.toString());
+    if (Array.isArray(value)) {
+      value = new Buffer(value);
+    } else {
+      value = new Buffer(value.toString());
+    }
   }
   var hex = value.toString('hex');