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

Detailed Report: https://oss-fuzz.com/testcase?key=5987401314140160 Project: poppler Fuzzing Engine: libFuzzer Fuzz Target: qtpdffuzzer Job Type: libfuzzermsanpoppler Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: Gfx::doRadialShFill Gfx::doShadingPatternFil...