image: don't leak a file descriptor

CID 1141015 (#1 of 1): Resource leak (RESOURCE_LEAK)
8. leaked_handle: Handle variable fd going out of scope leaks the handle.
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

image.c

@@ -240,6 +240,8 @@ int open_image_dir(char *dir)
 	}
 
 	ret = install_service_fd(IMG_FD_OFF, fd);
+	close(fd);
+	fd = ret;
 
 	if (opts.img_parent) {
 		int pfd;
@@ -261,8 +263,6 @@ int open_image_dir(char *dir)
 		close(pfd);
 	}
 
-	close(fd);
-
 	return ret;
 
 err: