fix the bug of interp nearest type

[BUG1989]

No description provided.

[codecov]

Codecov Report

Merging #550 (745ae59) into tengine-lite (149930c) will decrease coverage by 0.04%.
The diff coverage is 0.00%.

@@               Coverage Diff                @@
##           tengine-lite     #550      +/-   ##
================================================
- Coverage         29.32%   29.28%   -0.05%     
================================================
  Files               348      348              
  Lines             28674    28714      +40     
================================================
  Hits               8410     8410              
- Misses            20264    20304      +40     

Impacted Files	Coverage Δ
src/dev/cpu/cpu_device.c	16.85% <ø> (ø)
src/dev/cpu/op/interp/interp_ref.c	2.94% <0.00%> (-0.72%)	⬇️

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