DISPATCH-1970: Zero out the conn->config pointer since it has already…

[ganeshmurthy]

… been freed

[codecov-io]

Codecov Report

Merging #1046 (5257140) into master (b6fc760) will decrease coverage by 0.03%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master    #1046      +/-   ##
==========================================
- Coverage   82.48%   82.45%   -0.04%     
==========================================
  Files         111      111              
  Lines       27421    27425       +4     
==========================================
- Hits        22619    22612       -7     
- Misses       4802     4813      +11     

Impacted Files	Coverage Δ
src/adaptors/http1/http1_server.c	84.50% <66.66%> (-0.52%)	⬇️
src/router_core/transfer.c	91.81% <0.00%> (-0.65%)	⬇️
src/router_core/route_tables.c	80.11% <0.00%> (-0.58%)	⬇️
src/iterator.c	89.29% <0.00%> (-0.17%)	⬇️
src/router_node.c	94.03% <0.00%> (-0.11%)	⬇️
src/message.c	87.00% <0.00%> (-0.08%)	⬇️
src/parse.c	87.06% <0.00%> (+0.21%)	⬆️

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