ptp_comm_deinit stub for ndk usb

Author: petabyt

ndk/usb.c

@@ -20,6 +20,7 @@ struct PrivUSB {
 	int endpoint_out;
 };
 
+// TODO: Rename to ptp_comm_init
 static struct PrivUSB *init_comm(struct PtpRuntime *r) {
 	if (r->comm_backend == NULL) {
 		r->comm_backend = calloc(1, sizeof(struct PrivUSB));
@@ -28,6 +29,10 @@ static struct PrivUSB *init_comm(struct PtpRuntime *r) {
 	return (struct PrivUSB *)r->comm_backend;
 }
 
+void ptp_comm_deinit(struct PtpRuntime *r) {
+	// TODO:
+}
+
 static jobject get_usb_man(JNIEnv *env, jobject ctx) {
 	jclass ClassContext = (*env)->FindClass(env, "android/content/Context");
 	jfieldID lid_USB_SERVICE = (*env)->GetStaticFieldID(env, ClassContext, "USB_SERVICE", "Ljava/lang/String;");