Fix some analyzer violations. · vezel-dev/zig-sdk@d8db949

Build samples: pkg/cache/vezel.zig.toolsets.win-x64/0.11.0.1/tools/lib/libc/mingw/stdio/mingw_wvfscanf.c#L167

implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1

Build samples: pkg/cache/vezel.zig.toolsets.win-x64/0.11.0.1/tools/lib/libc/mingw/stdio/mingw_wvfscanf.c#L176

implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1

Build samples: pkg/cache/vezel.zig.toolsets.win-x64/0.11.0.1/tools/lib/libc/mingw/stdio/mingw_wvfscanf.c#L1628

implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1

Build samples: pkg/cache/vezel.zig.toolsets.win-x64/0.11.0.1/tools/lib/libc/mingw/stdio/mingw_vfscanf.c#L158

implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1

Build samples: pkg/cache/vezel.zig.toolsets.win-x64/0.11.0.1/tools/lib/libc/mingw/stdio/mingw_vfscanf.c#L167

implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1

Build samples: pkg/cache/vezel.zig.toolsets.win-x64/0.11.0.1/tools/lib/libc/mingw/stdio/mingw_vfscanf.c#L1629

implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1

Build samples: pkg/cache/vezel.zig.toolsets.win-x64/0.11.0.1/tools/lib/libc/mingw/stdio/mingw_wvfscanf.c#L167

implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1

Build samples: pkg/cache/vezel.zig.toolsets.win-x64/0.11.0.1/tools/lib/libc/mingw/stdio/mingw_wvfscanf.c#L176

implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1

Build samples: pkg/cache/vezel.zig.toolsets.win-x64/0.11.0.1/tools/lib/libc/mingw/stdio/mingw_wvfscanf.c#L1628

implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1

Build samples: pkg/cache/vezel.zig.toolsets.win-x64/0.11.0.1/tools/lib/libc/mingw/stdio/mingw_vfscanf.c#L158

implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1

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