Issue #1735: TarFile.extractall() now correctly sets directory
permissions and times.

(backport from r59712)
diff --git a/Lib/tarfile.py b/Lib/tarfile.py
index 87b298e..86991c4 100644
--- a/Lib/tarfile.py
+++ b/Lib/tarfile.py
@@ -1525,11 +1525,11 @@
 
         # Set correct owner, mtime and filemode on directories.
         for tarinfo in directories:
-            path = os.path.join(path, tarinfo.name)
+            dirpath = os.path.join(path, tarinfo.name)
             try:
-                self.chown(tarinfo, path)
-                self.utime(tarinfo, path)
-                self.chmod(tarinfo, path)
+                self.chown(tarinfo, dirpath)
+                self.utime(tarinfo, dirpath)
+                self.chmod(tarinfo, dirpath)
             except ExtractError, e:
                 if self.errorlevel > 1:
                     raise