tor/oss-fuzz-extrainfo: Use-of-uninitialized-value in RC4_set_key

Project: https://git.torproject.org/tor.git Detailed report: https://oss-fuzz.com/testcase?key=5079466983292928 Project: tor Fuzzer: libFuzzertoross-fuzz-extrainfo Fuzz target binary: oss-fuzz-extrainfo Job Type: libfuzzermsantor Platform Id: linux Crash Type: Use-of-uninitialized-value Crash...