[RFA] Fix thinko in print_doc_line.

[Doug Evans]

Geez, "Bad Days R Us".

I wrote:
> I was getting a failure in ui-redirect.exp, an internal gdb error.
> I traced it to this, committed as obvious.

I backed out my bogus patch.
Ok to commit?

2012-04-25  Doug Evans  <dje@google.com>

	* cli/cli-decode.c (print_doc_line): Use stream instead of
	current_uiout.

Index: cli-decode.c
===================================================================
RCS file: /cvs/src/src/gdb/cli/cli-decode.c,v
retrieving revision 1.103
diff -u -p -r1.103 cli-decode.c
--- cli-decode.c	25 Apr 2012 20:55:47 -0000	1.103
+++ cli-decode.c	25 Apr 2012 20:58:09 -0000
@@ -1018,7 +1018,7 @@ print_doc_line (struct ui_file *stream, 
   line_buffer[p - str] = '\0';
   if (islower (line_buffer[0]))
     line_buffer[0] = toupper (line_buffer[0]);
-  ui_out_text (current_uiout, line_buffer);
+  fputs_filtered (line_buffer, stream);
 }
 
 /* Print one-line help for command C.