DIR struct on MinGW

[Paulo Jorge Guedes]

Hi, 

MinGW struct doesn't have some needed members like offset, etc, thus
kdewin32 gives some errors:

[ 48%] Building C object CMakeFiles/kdewin32.dir/src/dirent.obj
d:/kde/kdesupport/kdewin32/src/dirent.c: In function `opendir':
d:/kde/kdesupport/kdewin32/src/dirent.c:96: error: structure has no
member named `offset'
d:/kde/kdesupport/kdewin32/src/dirent.c:97: error: structure has no
member named `finished'
d:/kde/kdesupport/kdewin32/src/dirent.c:98: error: structure has no
member named `dir'
d:/kde/kdesupport/kdewin32/src/dirent.c:100: error: structure has no
member named `fileinfo'
d:/kde/kdesupport/kdewin32/src/dirent.c:102: error: structure has no
member named `finished'
d:/kde/kdesupport/kdewin32/src/dirent.c:107: error: structure has no
member named `handle'

[...]

There used to be readir.h with these members defined but the file was
moved to dirent.h and made to include mingw's dirent.h which doesn't
have them.

Can this be fixed?

Paulo