gh-112672: Fix builtin Tkinter with Tcl 9.0 (GH-112681)

* Add declaration of Tcl_AppInit(), missing in Tcl 9.0.
* Use Tcl_Size instead of int where needed.

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

Christopher Chavez committed 1y ago

e0799352823289fafb8131341abd751923ee9c08

Parent: 7111d96

Committed by GitHub <noreply@github.com> on 6/4/2024, 4:47:15 PM