OSV-2018-367 Use-of-uninitialized-value in cf2_glyphpath_lineTo

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8323 Crash type: Use-of-uninitialized-value Crash state: cf2glyphpathlineTo cf2glyphpathcloseOpenPath cf2glyphpathmoveTo...