igraph:misc_algos: Use-of-uninitialized-value in igraph_i_simplify_sorted_int_adjacency_vector_in_place

Detailed Report: https://oss-fuzz.com/testcase?key=5326261235810304 Project: igraph Fuzzing Engine: libFuzzer Fuzz Target: miscalgos Job Type: libfuzzermsanigraph Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: igraphisimplifysortedintadjacencyvectorinplace...