fixes #546 - ldap hang

[codecov-commenter]

Codecov Report

Merging #547 (b98a283) into master (dbf14fa) will increase coverage by 0.01%. The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #547      +/-   ##
==========================================
+ Coverage   52.82%   52.84%   +0.01%     
==========================================
  Files         126      126              
  Lines       12937    12939       +2     
==========================================
+ Hits         6834     6837       +3     
- Misses       5463     5465       +2     
+ Partials      640      637       -3     

Flag	Coverage Δ
integration	34.07% <0.00%> (-0.04%)	:arrow_down:
unit	54.38% <ø> (+0.06%)	:arrow_up:

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

Impacted Files	Coverage Δ
internal/auth/ldap/ldap.go	2.43% <0.00%> (-0.03%)	:arrow_down:
internal/check/dnsbl/dnsbl.go	66.43% <0.00%> (-1.05%)	:arrow_down:
internal/table/file.go	65.21% <0.00%> (+4.34%)	:arrow_up:

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[foxcpp]

Thanks!