Fix clang-tidy: it became stricter on unused arguments

Author: andy31415

.clang-tidy

@@ -46,5 +46,6 @@ Checks: >
   -clang-analyzer-security.insecureAPI.strcpy,
   -clang-analyzer-unix.Malloc,
   -clang-diagnostic-implicit-int-conversion
+  -clang-diagnostic-unused-command-line-argument
 WarningsAsErrors: '*'
 HeaderFilterRegex: '(src|examples|zzz_generated|credentials).*(?<!third_party.*repo)'