define ENOTSUP the same that the other errors

aliguori: ENOTSUP is not 4096 universally, only on OpenBSD

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/qemu-common.h b/qemu-common.h
index 3cf7f4e..5d7ffeb 100644
--- a/qemu-common.h
+++ b/qemu-common.h
@@ -38,6 +38,9 @@
 #ifndef ENOMEDIUM
 #define ENOMEDIUM ENODEV
 #endif
+#if !defined(ENOTSUP) && defined(__OpenBSD__)
+#define ENOTSUP 4096
+#endif
 
 #ifndef CONFIG_IOVEC
 #define CONFIG_IOVEC
@@ -52,11 +55,9 @@
 #ifdef _WIN32
 #define fsync _commit
 #define lseek _lseeki64
-#define ENOTSUP 4096
 extern int qemu_ftruncate64(int, int64_t);
 #define ftruncate qemu_ftruncate64
 
-
 static inline char *realpath(const char *path, char *resolved_path)
 {
     _fullpath(resolved_path, path, _MAX_PATH);