KERNEL: portability fix

[Hans Leidekker]

dlls/kernel/file.c needs to include stdio.h to get SEEK_SET, SEEK_CUR, SEEK_END.
On Linux these apparently get pulled in indirectly but on MinGW they don't.

Changelog:
  Include stdio.h.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: kernel_file_c.diff
Type: text/x-diff
Size: 425 bytes
Desc: not available
Url : http://www.winehq.org/pipermail/wine-patches/attachments/20041010/40b484f8/kernel_file_c.bin