Fixes perlcritic return undef in 14_SD_WS

[elektron-bbs]

• Please check if the PR fulfills these requirements

• Tests for the changes have been added / modified (needed for for bug fixes / features)
• commandref has been added / updated (needed for bug fixes / features)

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

• Bugfix (please link issue)
• Feature enhancement
• Documentation update
• Unittest enhancement
• other

• What is the current behavior?
  (You can also link to an open issue here, if this describes the current behavior)
  Perlcritic return undef

• What is the new behavior (if this is a feature change)?
  No Perlcritic return undef

• Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)
  no

• Other information:

[codecov]

Codecov Report

Merging #1006 (5e582da) into master (1ad9a12) will decrease coverage by 0.01%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master    #1006      +/-   ##
==========================================
- Coverage   49.49%   49.47%   -0.02%     
==========================================
  Files         217      217              
  Lines       15184    15182       -2     
  Branches     2841     2841              
==========================================
- Hits         7515     7512       -3     
- Misses       6053     6054       +1     
  Partials     1616     1616              

Flag	Coverage Δ
fhem	49.31% <50.00%> (-0.02%)	⬇️
modules	49.47% <50.00%> (-0.02%)	⬇️
perl	50.75% <ø> (-0.02%)	⬇️
unittests	49.47% <50.00%> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
FHEM/14_SD_WS.pm	55.47% <50.00%> (-0.14%)	⬇️
local/lib/perl5/Test2/Util/HashBase.pm	45.31% <0.00%> (-1.57%)	⬇️

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