[issue22136] Fix _tkinter compiler warnings on MSVC

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

I'm surprised that this caused a warning. In man page Tcl_GetObjType() is described as

       Tcl_ObjType *
       Tcl_GetObjType(typeName)

and in header file it is declared as

EXTERN Tcl_ObjType *	Tcl_GetObjType _ANSI_ARGS_((char * typeName));
Tcl_ObjType *Tcl_GetObjType(typeName);

But this change shouldn't add any ill effect. The patch LGTM.

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assignee:  -> zach.ware
stage: patch review -> commit review

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue22136>
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