Update Parser/tokenizer.h

Co-authored-by: Eclips4 <80244920+Eclips4@users.noreply.github.com>

Author: pablogsal

Parser/tokenizer.h

@@ -57,8 +57,8 @@ typedef struct _tokenizer_mode {
     const char* f_string_start;
     const char* f_string_multi_line_start;
 
-    int last_expr_size;
-    int last_expr_end;
+    Py_ssize_t last_expr_size;
+    Py_ssize_t last_expr_end;
     char* last_expr_buffer;
 } tokenizer_mode;