Clean up BSD_SYSTEM use.

* xterm.c:
* process.c:
* emacs.c: Use HAVE_SYS_IOCTL_H instead of BSD_SYSTEM as a guard
for including <sys/ioctl.h>.
* sysdep.c (wait_without_blocking): Remove BSD_SYSTEM case, this
code is only used for MSDOS.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/process.c b/src/process.c
index 4f103752296..43fa78c7bd4 100644
--- a/src/process.c
+++ b/src/process.c
@@ -69,12 +69,12 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #endif
 #endif /* HAVE_SOCKETS */
 
-#if defined(BSD_SYSTEM)
+#if defined(HAVE_SYS_IOCTL_H)
 #include <sys/ioctl.h>
 #if !defined (O_NDELAY) && defined (HAVE_PTYS) && !defined(USG5)
 #include <fcntl.h>
 #endif /* HAVE_PTYS and no O_NDELAY */
-#endif /* BSD_SYSTEM */
+#endif /* HAVE_SYS_IOCTL_H */
 
 #ifdef NEED_BSDTTY
 #include <bsdtty.h>