[patch] Remove an 'extern int errno'

[Daniel Jacobowitz <drow@false.org>]

This is harmless, since <errno.h> was included by server.h anyway; but the
'extern int errno' declaration is incorrect and should always be removed in
favor of <errno.h>.  Committed to HEAD and 6.1.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer

2004-03-12  Daniel Jacobowitz  <drow@mvista.com>

	* linux-low.c: Include <errno.h>.  Remove extern declaration of
	errno.

Index: linux-low.c
===================================================================
RCS file: /cvs/src/src/gdb/gdbserver/linux-low.c,v
retrieving revision 1.30
diff -u -p -r1.30 linux-low.c
--- linux-low.c	5 Mar 2004 03:43:19 -0000	1.30
+++ linux-low.c	12 Mar 2004 20:49:24 -0000
@@ -34,6 +34,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <errno.h>
 
 /* ``all_threads'' is keyed by the LWP ID - it should be the thread ID instead,
    however.  This requires changing the ID in place when we go from !using_threads
@@ -68,8 +69,6 @@ struct pending_signals
 #ifdef HAVE_LINUX_REGSETS
 static int use_regsets_p = 1;
 #endif
-
-extern int errno;
 
 int debug_threads = 0;