another texinfo configure bug

Thomas:

On Solaris 2.6, sys/ptem.h requires that sys/stream.h be included first.
The following patch fixes configure.ac to take that fact into account.
Currently, the configure script flags sys/ptem.h as missing.

--Paul Vojta

---- cut here ----
--- utils/texinfo/configure.ac.orig	2003-01-31 08:48:57.000000000 -0800
+++ utils/texinfo/configure.ac	2003-02-15 00:07:23.000000000 -0800
@@ -41,7 +41,12 @@
 AC_HEADER_STDC
 AC_CHECK_HEADERS(fcntl.h io.h limits.h pwd.h string.h strings.h \
   termcap.h termio.h termios.h unistd.h \
-  sys/fcntl.h sys/file.h sys/ptem.h sys/time.h sys/ttold.h sys/wait.h)
+  sys/fcntl.h sys/file.h sys/stream.h sys/time.h sys/ttold.h sys/wait.h)
+AC_CHECK_HEADERS(sys/ptem.h, [], [],
+[#if HAVE_SYS_STREAM_H
+# include <sys/stream.h>
+#endif
+])
 AC_SYS_POSIX_TERMIOS
 AC_HEADER_TIOCGWINSZ