Fix Java LinkStatusListener not getting called.

[emgre]

Fix #423.

[codecov]

Codecov Report

Merging #441 (d87ad53) into develop (e8b1de4) will increase coverage by 0.02%.
The diff coverage is n/a.

❗ Current head d87ad53 differs from pull request most recent head 37218e7. Consider uploading reports for the commit 37218e7 to get more accurate results

@@             Coverage Diff             @@
##           develop     #441      +/-   ##
===========================================
+ Coverage    51.36%   51.39%   +0.02%     
===========================================
  Files          423      423              
  Lines        13444    13444              
===========================================
+ Hits          6906     6909       +3     
+ Misses        6538     6535       -3     

Impacted Files	Coverage Δ
cpp/lib/src/ResourceManager.h	90.00% <0.00%> (-10.00%)	⬇️
cpp/lib/src/master/MasterTCPServer.cpp	86.95% <0.00%> (-4.35%)	⬇️
...lib/src/outstation/event/ASDUEventWriteHandler.cpp	42.55% <0.00%> (+2.12%)	⬆️
cpp/lib/src/outstation/event/ClazzCount.h	100.00% <0.00%> (+5.45%)	⬆️

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