Fix connection failure handler for verification

[jiivan]

Fixes

2019-04-03 15:20:30 CRITICAL twisted                             
Traceback (most recent call last):
  File "C:\BuildbotWorker\buildpackage_windows\build\.venv\lib\site-packages\twisted\internet\defer.py", line 653, in _runCallbacks
  File "C:\BuildbotWorker\buildpackage_windows\build\golem\network\transport\tcpnetwork.py", line 182, in __connection_failure
  File "C:\BuildbotWorker\buildpackage_windows\build\golem\network\transport\tcpnetwork.py", line 239, in __call_failure_callback
  File "C:\BuildbotWorker\buildpackage_windows\build\golem\network\transport\tcpnetwork.py", line 197, in __connection_to_address_failure
  File "C:\BuildbotWorker\buildpackage_windows\build\golem\network\transport\tcpnetwork.py", line 239, in __call_failure_callback
TypeError: __connection_for_task_verification_result_failure() got an unexpected keyword argument 'conn_id'

[codecov]

Codecov Report

Merging #4085 into b0.19 will increase coverage by 0.04%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##            b0.19    #4085      +/-   ##
==========================================
+ Coverage   89.22%   89.27%   +0.04%     
==========================================
  Files         205      205              
  Lines       18433    18435       +2     
==========================================
+ Hits        16446    16457      +11     
+ Misses       1987     1978       -9