compilation failure with mingw-w64 : ssize_t redefined

[vtorri]

when compiling with mingw-w64 :

E:/Documents/MSYS2/home/vtorri/gitroot/ewpi/packages/openjpeg/openjpeg-2.3.0/src/lib/openjpip/sock_manager.c:33:17: error: conflicting types for 'ssize_t'
typedef SSIZE_T ssize_t;
^
In file included from e:\documents\msys2\opt\windows_32\i686-w64-mingw32\include\windows.h:9:0,
from E:/Documents/MSYS2/home/vtorri/gitroot/ewpi/packages/openjpeg/openjpeg-2.3.0/src/lib/openjpip/sock_manager.c:32:
e:\documents\msys2\opt\windows_32\i686-w64-mingw32\include_mingw.h:389:13: note: previous declaration of 'ssize_t' was here
typedef int ssize_t;
^

[stweil]

Pull request #1119 should fix that.