[PATCH 0/1] MR8298: ole32: Don't get metafile extent if there is no metafile.

[Yuxuan Shui (＠yshui)]

If entry->stgmedium.hEnhMetaFile is NULL, the data_size we get will be 0, we
then allocate 0 bytes for data, but expect it to contain at least a
METAFILEPICT, resulting in reading out-of-bound.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/8298