[Postimages] Force .cc TLD for links pointing to .org TLD

[taskhawk]

Basically almost the same situation as with #8428

Example: https://www.bellazon.com/main/topic/62-victorias-secret-lingerieunderwear/page/168/#comment-3534299

Old TLD:
http://postimg.org/image/lefhwez17/

New TLD:
http://postimg.cc/image/lefhwez17/ === ( gets redirected ) ===> https://postimg.cc/xk52SYjZ

[taskhawk]

I'm getting an error with it on the latest dev version:

$ gallery-dl --config-ignore -vK "http://postimg.org/image/5l1cogxcr/"
[gallery-dl][debug] Version 1.31.0-dev
[gallery-dl][debug] Python 3.12.3 - Linux-6.14.0-35-generic-x86_64-with-glibc2.39
[gallery-dl][debug] requests 2.32.3 - urllib3 2.4.0
[gallery-dl][debug] Configuration Files []
[gallery-dl][debug] Starting KeywordJob for 'http://postimg.org/image/5l1cogxcr/'
[postimg][debug] Using PostimgImageExtractor for 'http://postimg.org/image/5l1cogxcr/'
[urllib3.connectionpool][debug] Starting new HTTPS connection (1): postimg.cc:443
[urllib3.connectionpool][debug] https://postimg.cc:443 "GET /image/5l1cogxcr/ HTTP/1.1" 301 None
[urllib3.connectionpool][debug] https://postimg.cc:443 "GET /gw4Ycg70 HTTP/1.1" 200 None
[postimg][error] An unexpected error occurred: TypeError - argument of type 'NoneType' is not iterable. Please run gallery-dl again with the --verbose flag, copy its output and report this issue on https://github.com/mikf/gallery-dl/issues .
[postimg][debug] 
Traceback (most recent call last):
  File "/home/user/.gallery-dl/lib/python3.12/site-packages/gallery_dl/job.py", line 154, in run
    for msg in extractor:
  File "/home/user/.gallery-dl/lib/python3.12/site-packages/gallery_dl/extractor/imagehosts.py", line 58, in items
    url, filename = self.get_info(page)
                    ^^^^^^^^^^^^^^^^^^^
  File "/home/user/.gallery-dl/lib/python3.12/site-packages/gallery_dl/extractor/imagehosts.py", line 324, in get_info
    return url, text.unescape(filename)
                ^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/html/__init__.py", line 130, in unescape
    if '&' not in s:
       ^^^^^^^^^^^^
TypeError: argument of type 'NoneType' is not iterable

[mikf]

Fixed in 9b03990