utils: shut up compiler

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/utils.h b/src/utils.h
index 8ac6676389ee65e3de8db97be0d10ae1bbbc88ed..f55dc95196518c2428bd09e3eece397423f52704 100644 (file)
--- a/src/utils.h
+++ b/src/utils.h
@@ -34,9 +34,7 @@
 
 struct file_info;
 
-__attribute__((format_arg(4))) extern char *must_strcat(char **src, size_t *sz,
-                                                       size_t *asz,
-                                                       const char *format, ...);
+__attribute__((__format__(__printf__, 4, 5))) extern char *must_strcat(char **src, size_t *sz, size_t *asz, const char *format, ...);
 extern bool is_shared_pidns(pid_t pid);
 extern int preserve_ns(const int pid, const char *ns);
 extern void do_release_file_info(struct fuse_file_info *fi);