Fix creating shared library under MSYS64.

1 files changed, 1 insertions, 1 deletions

diff --git a/gzlib.c b/gzlib.c
index f7b4ca3..44b14a0 100644
--- a/gzlib.c
+++ b/gzlib.c
@@ -178,7 +178,7 @@ local gzFile gz_open(const void *path, int fd, const char *mode) {
 
     /* open the file with the appropriate flags (or just use fd) */
     state->fd = fd > -1 ? fd : (
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__MINGW__)
         fd == -2 ? _wopen(path, oflag, 0666) :
 #elif __CYGWIN__
         fd == -2 ? open(state->path, oflag, 0666) :