Compile error：use of undeclared identifier 'rindex'

```
chris@chris-166:~/Projects/ros2-android/src$ colcon build --packages-select uncrustify_vendor
Starting >>> uncrustify_vendor
--- stderr: uncrustify_vendor
/home/chris/Projects/ros2-android/src/build/uncrustify_vendor/uncrustify-0.72.0-prefix/src/uncrustify-0.72.0/src/log_rules.cpp:51:12: error: use of undeclared identifier 'rindex'
where = rindex(func, ':');
^
1 error generated.
gmake[5]: *** [CMakeFiles/uncrustify.dir/build.make:797: CMakeFiles/uncrustify.dir/src/log_rules.cpp.o] Error 1
gmake[5]: *** Waiting for unfinished jobs....
gmake[4]: *** [CMakeFiles/Makefile2:1048: CMakeFiles/uncrustify.dir/all] Error 2
gmake[3]: *** [Makefile:166: all] Error 2
gmake[2]: *** [CMakeFiles/uncrustify-0.72.0.dir/build.make:89: uncrustify-0.72.0-prefix/src/uncrustify-0.72.0-stamp/uncrustify-0.72.0-build] Error 2
gmake[1]: *** [CMakeFiles/Makefile2:140: CMakeFiles/uncrustify-0.72.0.dir/all] Error 2
gmake: *** [Makefile:149: all] Error 2
---
Failed <<< uncrustify_vendor [0.68s, exited with code 2]

Summary: 0 packages finished [1.12s]
1 package failed: uncrustify_vendor
1 package had stderr output: uncrustify_vendor
```

1. Version or commit hash
commit ec8f8b4d03483671e8ea2b3039f1015f92b0ef89 (HEAD -> humble, tag: 2.0.2, origin/humble)
2. Compilation environment：22.04.1-Ubuntu