bpo-40141: Include the value in the column position for keyword AST nodes (GH-19348)

diff --git a/Python/ast.c b/Python/ast.c
index 6ba62fb..0f23f67 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -3096,7 +3096,7 @@
                 if (!e)
                     return NULL;
                 kw = keyword(key, e, chch->n_lineno, chch->n_col_offset,
-                             chch->n_end_lineno, chch->n_end_col_offset, c->c_arena);
+                             e->end_lineno, e->end_col_offset, c->c_arena);
 
                 if (!kw)
                     return NULL;