Example segfault with wrong param usage.

[craftmaster1231]

whisper.cpp/examples/main/main.cpp

Line 125 in 0377596

else if (arg == "-t" || arg == "--threads") { params.n_threads = std::stoi(argv[++i]); }

For example, if usage is ./main -t , there should be a check for an extra argument after -t before accessing it. If not, call usage printing function and exit.