[Bug c++/64898] [5 Regression] qtgui-4.8.6 build error

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64898

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
s/extern function/extern function pointer/

This is a variable of a function pointer type.