leha-bot 5e8c176e2a cmExecuteProcessCommand: Cast c to unsigned char before cast to int ...

As the 'char' type may be either signed, or unsigned, there are some
clashes between C Standard library functions and actual characters while
casting it to int directly. In case the 'char' type was signed, the
casted to int result value may be extended to full negative digit which
may be out of range of isspace() function (e.g. , for MSVC
implementation, which checks it for '> -1', and throwing an assertion
failure on fail).

Fixes: #25561

2024-01-05 14:36:43 -05:00

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