Handle util.h if it exists instead of pty.h

src/examples/termemu.cc

@@ -16,7 +16,8 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#include <pty.h>
+#include "config.h"
+
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -39,6 +40,12 @@
 #include <pwd.h>
 #include <sys/time.h>
 
+#if HAVE_PTY_H
+#include <pty.h>
+#elif HAVE_UTIL_H
+#include <util.h>
+#endif
+
 #include "parser.h"
 #include "completeterminal.h"
 #include "swrite.h"