fiasco: Fix initializing variables

src/fiasco.c

@@ -453,9 +453,9 @@ int fiasco_write_to_file(struct fiasco * fiasco, const char * file) {
 
 int fiasco_unpack(struct fiasco * fiasco, const char * dir) {
 
-	int fd = -1;
-	char * name = NULL;
-	char * layout_name = NULL;
+	int fd;
+	char * name;
+	char * layout_name;
 	struct image * image;
 	struct image_list * image_list;
 	uint32_t size;
@@ -484,6 +484,10 @@ int fiasco_unpack(struct fiasco * fiasco, const char * dir) {
 
 	while ( image_list ) {
 
+		fd = -1;
+		name = NULL;
+		layout_name = NULL;
+
 		image = image_list->image;
 
 		name = image_name_alloc_from_values(image);