try to handle sys/strtty.h needing sys/stream.h

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@13644 ec53bebd-3082-4978-b11e-865c3cabbd6b

configure.in

@@ -285,7 +285,6 @@ AC_CHECK_HEADERS([\
 	sys/str_tty.h				\
 	sys/stream.h				\
 	sys/stropts.h				\
-	sys/strtty.h				\
 	sys/syscall.h				\
 	sys/termio.h				\
 	sys/timeb.h				\
@@ -309,6 +308,11 @@ AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
 #include <sys/socket.h>
 #endif])
 
+AC_CHECK_HEADERS(sys/strtty.h, , , [AC_INCLUDES_DEFAULT
+#if HAVE_SYS_STREAM_H
+#include <sys/stream.h>
+#endif])
+
 AC_CHECK_HEADERS(security/pam_modules.h, , , [AC_INCLUDES_DEFAULT
 #include <security/pam_appl.h>
 ])