[Issue 13348] std.uni.Grapheme is impure due to using C malloc and friends

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=13348

--- Comment #14 from github-bugzilla at puremagic.com ---
Commits pushed to master at https://github.com/dlang/phobos

https://github.com/dlang/phobos/commit/187e2b769b7ab1e2509d54e31cddc007b423fc8a
fix issue 13348

https://github.com/dlang/phobos/commit/fde471f8f21182b875bfbe0a6fdcef58bfa77c78
Merge pull request #5723 from DmitryOlshansky/fix-issue-13348

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