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Christian Brabandt
0714b15940
Problem: [security]: buffer-overflow in 'helpfile' option handling by
using strcpy without bound checks (Rahul Hoysala)
Solution: Limit strncpy to the length of the buffer (MAXPATHL)
Github Advisory:
https://github.com/vim/vim/security/advisories/GHSA-5w93-4g67-mm43
Signed-off-by: Christian Brabandt <cb@256bit.org>
