```
[...]/src/g10/keylist.c:342:43: warning: variable 'indent' is uninitialized when used here [-Wuninitialized]
tty_fprintf (fp, "\n%*s%s", indent, "", _("card-no: "));
^~~~~~
[...]/src/g10/keylist.c:310:13: note: initialize the variable 'indent' to silence this warning
int indent;
^
= 0
```