tor/oss-fuzz-vrs: Use-of-uninitialized-value in tor_vsscanf

Project: https://git.torproject.org/tor.git Detailed report: https://oss-fuzz.com/testcase?key=5851887808020480 Project: tor Fuzzer: libFuzzertoross-fuzz-vrs Fuzz target binary: oss-fuzz-vrs Job Type: libfuzzermsantor Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash...