Initialize all

Author: RealDolos

src/binding.cpp

@@ -58,7 +58,7 @@ class Hash: public Nan::ObjectWrap {
 		std::string algo(*walgo);
 
 		const char *key_data = nullptr;
-		size_t key_length;
+		size_t key_length = -1;
 		int8_t digest_length = -1;
 		if (algo != "bypass" && info.Length() >= 2) {
 			if (!info[1]->IsNull()) {