test: fix printf arguments mismatch

[nlzy]

No description provided.

[tencent-adm]

All committers have signed the CLA.

[codecov-commenter]

Codecov Report

Merging #3774 (639a8b8) into master (663b42e) will decrease coverage by 5.54%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master    #3774       +/-   ##
===========================================
- Coverage   93.35%   87.81%    -5.55%     
===========================================
  Files         674      239      -435     
  Lines      171980    38424   -133556     
===========================================
- Hits       160558    33743   -126815     
+ Misses      11422     4681     -6741     

Impacted Files	Coverage Δ
src/layer/scale.cpp	75.32% <0.00%> (-22.12%)	⬇️
src/layer/x86/relu_x86.cpp	71.76% <0.00%> (-6.42%)	⬇️
src/layer/x86/convolution_sgemm_pack8.h	92.98% <0.00%> (-5.99%)	⬇️
src/layer/crop.cpp	83.96% <0.00%> (-5.69%)	⬇️
src/cpu.cpp	59.23% <0.00%> (-4.59%)	⬇️
src/layer/x86/reshape_x86.cpp	92.15% <0.00%> (-4.55%)	⬇️
src/allocator.cpp	73.33% <0.00%> (-3.72%)	⬇️
src/layer/x86/flatten_x86.cpp	95.23% <0.00%> (-2.83%)	⬇️
src/layer/padding.cpp	93.36% <0.00%> (-2.75%)	⬇️
src/layer/x86/convolution_3x3.h	25.88% <0.00%> (-2.30%)	⬇️
... and 576 more

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[nihui]

Thanks for your contribution !