Rename function to create burn_source.

demo/iso.c

@@ -79,7 +79,7 @@ int main(int argc, char **argv)
         return 1;
     }
     
-    result = iso_image_create(image, &opts, &burn_src);
+    result = iso_image_create_burn_source(image, &opts, &burn_src);
     if (result < 0) {
         printf ("Cant create image, error %d\n", result);
         return 1;