[Bug c/105357] dereferenced ptr on param stack gets over written

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105357

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
scanf("%s", town_name);

Can be problematic.
Especially with just size of 6.