Fix issue18918 : Attach the pydoc documentation for 'FILES' topic.
Also rebuilt the pydoc_data with this change.
diff --git a/Doc/tools/extensions/pyspecific.py b/Doc/tools/extensions/pyspecific.py
index 1699891..1b6b0e2 100644
--- a/Doc/tools/extensions/pyspecific.py
+++ b/Doc/tools/extensions/pyspecific.py
@@ -131,7 +131,7 @@
'assert', 'assignment', 'atom-identifiers', 'atom-literals',
'attribute-access', 'attribute-references', 'augassign', 'binary',
'bitwise', 'bltin-code-objects', 'bltin-ellipsis-object',
- 'bltin-null-object', 'bltin-type-objects', 'booleans',
+ 'bltin-file-objects', 'bltin-null-object', 'bltin-type-objects', 'booleans',
'break', 'callable-types', 'calls', 'class', 'comparisons', 'compound',
'context-managers', 'continue', 'conversions', 'customization', 'debugger',
'del', 'dict', 'dynamic-features', 'else', 'exceptions', 'exec', 'execmodel',