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0f376ae220
Until Cygwin 3.3.6, we define __LARGE64_FILES unconditionally, so we
were using the type __sFILE64 even for 64 bit. That was lazy and wrong.
so commit 2902b3a09e0a ("Cygwin: drop requirement to build newlib's
stdio64") tried to fix that.
Unfortunately this patch forgot to take the exposure of the typename
__sFILE64 in userspace into account. This leads to trouble in C++ due
to name mangling.
Fix this by redefining __sFILE to __sFILE64. The type name is very much
internal, so it doesn't really matter, except for the fact that it needs
to stay backward compatible so as not to break building against C++ libs
built under older versions of Cygwin.
Fixes: 2902b3a09e0a ("Cygwin: drop requirement to build newlib's stdio64")
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>