replace find/rfind with startsWith

[neheb]

Signed-off-by: Rosen Penev rosenp@gmail.com

[codecov]

Codecov Report

Merging #2396 (2641ed6) into main (761acaf) will not change coverage.
The diff coverage is 50.00%.

@@           Coverage Diff           @@
##             main    #2396   +/-   ##
=======================================
  Coverage   64.28%   64.28%           
=======================================
  Files         119      119           
  Lines       21136    21136           
  Branches    10428    10428           
=======================================
  Hits        13587    13587           
  Misses       5400     5400           
  Partials     2149     2149           

Impacted Files	Coverage Δ
src/pentaxmn_int.cpp	71.49% <0.00%> (ø)
src/futils.cpp	74.69% <100.00%> (ø)
src/jpgimage.cpp	68.00% <100.00%> (ø)
src/sonymn_int.cpp	77.52% <100.00%> (ø)
src/xmp.cpp	76.54% <100.00%> (ø)

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[neheb]

CI seems bugged.

[kevinbackhouse]

CI seems bugged.

I have the same problem in #2395. Comparing this failed build with one that passed recently:

Pass: https://github.com/Exiv2/exiv2/actions/runs/3311978134/jobs/5468094112
Fail: https://github.com/Exiv2/exiv2/actions/runs/3340603185/jobs/5530898781

Looks like the difference is that Chocolatey got upgraded from v1.1.0 to v1.2.0