[llvm] lldbDataFormatters: fix type error in StringRef printer (PR #82554)

[Sergej Jaskiewicz via llvm-commits]

broadwaylamb wrote:

> Reported to Jetbrains as https://youtrack.jetbrains.com/issue/CPP-37686 (@broadwaylamb not sure if you're the right person to investigate this?)

Not quite, but I'm sure folks from the CLion team will do their best :) 

Thank you for creating the ticket btw.

https://github.com/llvm/llvm-project/pull/82554