fix a bug in device.c.

ChangeLog

@@ -1,3 +1,8 @@
+2000-07-13  OKUJI Yoshinori  <okuji@gnu.org>
+
+	* lib/device.c: Include errno.h. Reported by Thierry DELHAISE
+	<thierry.delhaise@delhaise.com>.
+	
 2000-07-12  OKUJI Yoshinori  <okuji@gnu.org>
 
 	Just to start implementing serial console support...

THANKS

@@ -39,6 +39,7 @@ Peter Astrand <altic@lysator.liu.se>
 Ramon van Handel <vhandel@chem.vu.nl>
 Stephen Early <steve@greenend.org.uk>
 Takehiro Suzuki <takehiro@coral.ocn.ne.jp>
+Thierry DELHAISE <thierry.delhaise@delhaise.com>
 Thomas Schweikle <tschweikle@fiducia.de>
 Torsten Duwe <duwe@caldera.de>
 VaX#n8 <vax@linkdead.paranoia.com>

lib/device.c

@@ -27,6 +27,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
+#include <errno.h>
 
 #ifdef __linux__
 # include <sys/ioctl.h>		/* ioctl */