fix issue #513 : Response body must be closed properly in case of JSON response

[lxhoan]

No description provided.

[codecov-io]

Codecov Report

Merging #514 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master     #514      +/-   ##
============================================
+ Coverage     87.53%   87.54%   +<.01%     
  Complexity      365      365              
============================================
  Files            25       25              
  Lines          1500     1501       +1     
  Branches        167      167              
============================================
+ Hits           1313     1314       +1     
  Misses          120      120              
  Partials         67       67

Impacted Files	Coverage Δ	Complexity Δ
src/main/java/org/influxdb/impl/InfluxDBImpl.java	89.83% <100%> (+0.02%)	78 <0> (ø)	⬇️

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[lxhoan]

hi @majst01 , @fmachado , this seems a valid defect, please help to take a look, tks