Issue #24021: docstring for urllib.urlcleanup.

Patch from Daniel Andrade Groppe and Peter Lovett
diff --git a/Lib/urllib/request.py b/Lib/urllib/request.py
index eada0a9..a7fd017 100644
--- a/Lib/urllib/request.py
+++ b/Lib/urllib/request.py
@@ -230,6 +230,7 @@
     return result
 
 def urlcleanup():
+    """Clean up temporary files from urlretrieve calls."""
     for temp_file in _url_tempfiles:
         try:
             os.unlink(temp_file)
diff --git a/Misc/ACKS b/Misc/ACKS
index 702883f..dec1042 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -518,6 +518,7 @@
 Olivier Grisel
 Fabian Groffen
 Eric Groo
+Daniel Andrade Groppe
 Dag Gruneau
 Filip GruszczyƄski
 Thomas Guettler
@@ -860,6 +861,7 @@
 Tom Loredo
 Justin Love
 Ned Jackson Lovely
+Peter Lovett
 Chalmer Lowe
 Jason Lowe
 Tony Lownds