[src/trunk]: src/sys/dev/pci initialize a variable before using it

[macallan <macallan%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/09510b47ec34
branches:  trunk
changeset: 778974:09510b47ec34
user:      macallan <macallan%NetBSD.org@localhost>
date:      Mon Apr 23 11:51:56 2012 +0000

description:
initialize a variable before using it
found by uebayasi@
now why did gcc warn him on x86 but not me on macppc?

diffstat:

 sys/dev/pci/voodoofb.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r d803c9ecb3ee -r 09510b47ec34 sys/dev/pci/voodoofb.c
--- a/sys/dev/pci/voodoofb.c    Mon Apr 23 11:25:03 2012 +0000
+++ b/sys/dev/pci/voodoofb.c    Mon Apr 23 11:51:56 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: voodoofb.c,v 1.40 2012/03/15 03:12:51 macallan Exp $   */
+/*     $NetBSD: voodoofb.c,v 1.41 2012/04/23 11:51:56 macallan Exp $   */
 
 /*
  * Copyright (c) 2005, 2006, 2012 Michael Lorenz
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: voodoofb.c,v 1.40 2012/03/15 03:12:51 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: voodoofb.c,v 1.41 2012/04/23 11:51:56 macallan Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -1726,7 +1726,7 @@
                         * best one we can support
                         */
                        if (sc->sc_videomode == NULL) {
-                               int n;
+                               int n = 0;
                                struct videomode *m =
                                     sc->sc_edid_info.edid_modes;