olefile: do not fail if tmp file can't be removed (#8883)
olefile: do not fail if tmp file can't be removed (#8883)

Should fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=49945 .
google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz,google/oss-fuzz