Prepaired new code for fiasco images

src/fiasco2.h

@@ -0,0 +1,15 @@
+
+#include "image.h"
+
+struct fiasco {
+	char swver[12];
+	int fd;
+	struct image_list * first;
+}
+
+struct fiasco * fiasco_alloc_empty(void);
+struct fiasco * fiasco_alloc_from_file(const char * file);
+void fiasco_free(struct fiasco * fiasco);
+int fiasco_add_image(struct fiasco * fiasco, struct image * image);
+int fiasco_write_to_file(struct fiasco * fiasco, const char * file);
+int fiasco_unpack(struct fiasco * fiasco, const char * dir);