Bug 21958 – windows: printf check requires mutable pointer for %ls

import core.stdc.stdio; void main() { wchar* p = null; printf("%ls\n", p); // compiles const(wchar)* cp = null; printf("%ls\n", cp); // complains } printf_test.d(9): Deprecation: argument `cp` for format specification `"%ls"` must be `wchar_t*`, not `const(wchar)*` printf_test.d(9): Deprecation: argument `cp` for format specification `"%ls"` must be `wchar_t*`, not `const(wchar)*` works if wchar_t is used, but this is just an alias to wchar on Windows.

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