[PATCH] interpreter-exec error path

["andrzej zaborowski" <balrog@zabor.org>]

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If any of the commands executed through "interpreter-exec" fails, the
"quiet" value is not restored for the interpreter.  This may result in
something like the following.

(gdb) interpreter-exec console rubbish
Undefined command: "rubbish".  Try "help".
error in command: "rubbish".

readline: readline_callback_read_char() called with no handler!
Aborted

The attached patch will handle the error more correctly.
-- 
balrog 2oo6

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2006-09-09  Andrzej Zaborowski  <balrog@zabor.org>
	* interps.c (interpreter_exec_cmd): Restore interpreter properties.

--- gdb-orig/gdb/interps.c	2006-09-08 06:10:15.000000000 +0000
+++ gdb/gdb/interps.c	2006-09-08 06:04:20.000000000 +0000
@@ -402,9 +402,9 @@ interpreter_exec_cmd (char *args, int fr
       if (e.reason < 0)
 	{
 	  interp_set (old_interp);
-	  interp_set_quiet (interp_to_use, old_quiet);
+	  interp_set_quiet (interp_to_use, use_quiet);
+	  interp_set_quiet (old_interp, old_quiet);
 	  error (_("error in command: \"%s\"."), prules[i]);
-	  break;
 	}
     }