Reset error flag for the rediscontext struct

deps/hiredis/net.c

@@ -411,6 +411,15 @@ static int _redisContextConnectTcp(redisContext *c, const char *addr, int port,
 
         c->flags |= REDIS_CONNECTED;
 
+	/* This is needed because c->err is set using __redisSetError on
+	 * connection failures. This can be called by various functions.
+	 * We shall have a clear function that would ideally clean the struct
+	 * of all past errors which have been put into or somehow only set the
+	 * error flag and message after looping through all IP addresses and
+	 * not finding any REDIS_OK.
+	 */
+        c->err = 0;
+
         freeaddrinfo(servinfo);
         return REDIS_OK;  // Need to return REDIS_OK if alright
     }