bpo-10320: Replace nonstandard sprintf() length modifier in ctypes' PyCArg_repr(). (GH-10853)

Use "ll" instead of the nonstandard "q".
(cherry picked from commit 062cbb67)
Co-authored-by: Zackery Spytz <zspytz@gmail.com>

Modules/_ctypes/callproc.c

@@ -488,7 +488,7 @@ PyCArg_repr(PyCArgObject *self)
 #ifdef MS_WIN32
             "<cparam '%c' (%I64d)>",
 #else
-            "<cparam '%c' (%qd)>",
+            "<cparam '%c' (%lld)>",
 #endif
             self->tag, self->value.q);
         break;