diff options
Diffstat (limited to 'winsup/w32api/include/windef.h')
| -rw-r--r-- | winsup/w32api/include/windef.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/winsup/w32api/include/windef.h b/winsup/w32api/include/windef.h index 433cacfbb..129a9a7d7 100644 --- a/winsup/w32api/include/windef.h +++ b/winsup/w32api/include/windef.h @@ -41,7 +41,9 @@ extern "C" { #endif #define IN #define OUT +#ifndef OPTIONAL #define OPTIONAL +#endif #ifdef __GNUC__ #define PACKED __attribute__((packed)) |