gnutls/gnutls_psk_server_fuzzer: Use-of-uninitialized-value in psk_ke_modes_recv_params

Project: https://gitlab.com/gnutls/gnutls.git Detailed report: https://oss-fuzz.com/testcase?key=6230886388334592 Project: gnutls Fuzzer: libFuzzergnutlspskserverfuzzer Fuzz target binary: gnutlspskserverfuzzer Job Type: libfuzzermsangnutls Platform Id: linux Crash Type: Use-of-uninitialized-valu...