fix arm64e detection

src/dfuhelper.c

@@ -67,7 +67,7 @@ int connected_normal_mode(const usbmuxd_device_info_t *usbmuxd_device) {
 		LOG(LOG_ERROR, "Unable to get device information");
 		return 0;
 	}
-	if (strncmp(dev.CPUArchitecture, "arm64", strlen("arm64"))) {
+	if (strcmp(dev.CPUArchitecture, "arm64")) {
 		devinfo_free(&dev);
 		LOG(LOG_WARNING, "Ignoring non-arm64 device...");
 		LOG(LOG_WARNING, "palera1n doesn't and never will work on A12+ (arm64e)");