[COMMIT] Fix warning in event-top.c

[Joel Brobecker <brobecker@adacore.com>]

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Currently running gdb_mbuild pretty much for the first time, and
disovering lots of builds failures, mostly because of -Werror. Here
is a fix the one warning in one of the core files. I think the other
ones are in target dependent files.

2005-11-02  Joel Brobecker  <brobecker@adacore.com>

        * event-top.c (gdb_setup_readline): Add missing type in extern
        declaration.

Fixes the following compiler warning:

        event-top.c: In function `gdb_setup_readline':
        event-top.c:1113: warning: type defaults to `int' in declaration of `batch_silent'

Here is where the variable is defined:

        main.c:int batch_silent = 0;

Tested on x86-linux, no regression in the testsuite. I'm committing
this under the obvious fix rule. I think it's pretty obvious.

-- 
Joel

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Index: event-top.c
===================================================================
RCS file: /cvs/src/src/gdb/event-top.c,v
retrieving revision 1.41
diff -u -p -r1.41 event-top.c
--- event-top.c	1 Nov 2005 11:09:18 -0000	1.41
+++ event-top.c	2 Nov 2005 05:43:44 -0000
@@ -1110,7 +1110,7 @@ gdb_setup_readline (void)
      that the sync setup is ALL done in gdb_init, and we would only
      mess it up here.  The sync stuff should really go away over
      time.  */
-  extern batch_silent;
+  extern int batch_silent;
 
   if (!batch_silent)
     gdb_stdout = stdio_fileopen (stdout);