no need for pre/postmac in osl/unx/system.h

Change-Id: Id96cc357ae4d8d064bb297a17d9033ffe8643df3
Reviewed-on: https://gerrit.libreoffice.org/17821
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Norbert Thiebaud <nthiebaud@gmail.com>
diff --git a/sal/osl/unx/system.hxx b/sal/osl/unx/system.hxx
index 75c3d9d9..82e3b1d 100644
--- a/sal/osl/unx/system.hxx
+++ b/sal/osl/unx/system.hxx
@@ -229,10 +229,7 @@
#   include <netinet/tcp.h>
#   include <machine/endian.h>
#   include <sys/time.h>
/* fixme are premac and postmac still needed here? */
#   include <premac.h>
#   include <mach-o/dyld.h>
#   include <postmac.h>
#   if BYTE_ORDER == LITTLE_ENDIAN
#       ifndef _LITTLE_ENDIAN
#       define _LITTLE_ENDIAN