Ninja: Restore support for non-ascii paths on Windows with ninja<=1.10 (!7833) · Merge requests · CMake / CMake

Revert !6903 (merged). Somehow rdbuf()->pubsetbuf() is resetting our imbued locale and cm_codecvt that handles encoding.

Fixes: #24089 (closed)
Backport: release

Ninja: Restore support for non-ascii paths on Windows with ninja<=1.10