Minor cleanup

[shameekganguly]

• Change remaining ignerr to gzerr
• Add one missing header
• Ensure parameter names match in function declaration and definition

[codecov]

Codecov Report

Merging #352 (378c848) into gz-sensors7 (32576a8) will increase coverage by 0.01%.
The diff coverage is 85.71%.

❗ Current head 378c848 differs from pull request most recent head 6d3822f. Consider uploading reports for the commit 6d3822f to get more accurate results

@@               Coverage Diff               @@
##           gz-sensors7     #352      +/-   ##
===============================================
+ Coverage        69.69%   69.70%   +0.01%     
===============================================
  Files               36       36              
  Lines             3956     3958       +2     
===============================================
+ Hits              2757     2759       +2     
  Misses            1199     1199              

Impacted Files	Coverage Δ
src/CameraSensor.cc	75.92% <0.00%> (ø)
src/NavSatSensor.cc	89.90% <ø> (ø)
src/GpuLidarSensor.cc	89.26% <100.00%> (ø)
src/SegmentationCameraSensor.cc	54.26% <100.00%> (ø)
src/Sensor.cc	89.94% <100.00%> (+0.10%)	⬆️