poppler:qt_search_fuzzer: Use-of-uninitialized-value in Gfx::doRadialShFill

Detailed Report: https://oss-fuzz.com/testcase?key=6416796692578304 Project: poppler Fuzzing Engine: libFuzzer Fuzz Target: qtsearchfuzzer Job Type: libfuzzermsanpoppler Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: Gfx::doRadialShFill Gfx::opShFill Gfx::go...