[clang] [clang][analyzer] Add C standard streams to the internal memory space (PR #147766)

[Donát Nagy via cfe-commits]

https://github.com/NagyDonat commented:

The code change LGTM, my only suggestion is about word choices in a comment.

It's nice to see that this commit cleans up some ugly false positives :)

https://github.com/llvm/llvm-project/pull/147766