FQDN coding fix

[ElKobano]

IE_FQDN.fqdn coding fix

[codecov]

Codecov Report

Attention: Patch coverage is 90.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 78.70%. Comparing base (8e08cbf) to head (ff13476).

Files with missing lines	Patch %	Lines
scapy/contrib/gtp.py	90.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4592      +/-   ##
==========================================
- Coverage   81.62%   78.70%   -2.93%     
==========================================
  Files         358      333      -25     
  Lines       85652    80464    -5188     
==========================================
- Hits        69915    63330    -6585     
- Misses      15737    17134    +1397     

Files with missing lines	Coverage Δ
scapy/contrib/gtp_v2.py	95.42% <ø> (ø)
scapy/contrib/gtp.py	91.47% <90.00%> (-0.07%)	⬇️

... and 284 files with indirect coverage changes