gpfs: Remove unncessary includes from gpfs.c

replace.h provides everything that is required (errno and ENOSYS).

Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Ralph Böhme <slow@samba.org>

source3/modules/gpfs.c

@@ -17,11 +17,7 @@
  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "includes.h"
-#include "system/filesys.h"
-#include "smbd/smbd.h"
-
-#include <fcntl.h>
+#include "replace.h"
 #include "vfs_gpfs.h"
 
 static int (*gpfs_set_share_fn)(int fd, unsigned int allow, unsigned int deny);