cgroup_get_mem_limit(): -FIXME, value is unsigned

cgroup.c

@@ -122,7 +122,7 @@ cgroup_get_mem_limit(const char *chier, const char *cgroup)
 		return -1;
 	}
 	size_t nlimit = 0;
-	fscanf(limit, "%zu", &nlimit); /* FIXME is this really unsigned? */
+	fscanf(limit, "%zu", &nlimit);
 	fclose(limit);
 	return nlimit;
 }