[cogl] kms: Avoid using struct member before it is set

[Rob Bradford <rbradford src gnome org>]

commit 7f2a8963517cec7c4e9f24f5c7f770198f221a07
Author: Rob Bradford <rob linux intel com>
Date:   Wed Nov 30 15:33:33 2011 +0000

    kms: Avoid using struct member before it is set
    
    When saving the CRTC we were trying to use a struct member for the encoder
    that wasn't valid at that point in time - instead use the local variable.
    
    Reviewed-by: Robert Bragg <robert linux intel com>

 cogl/winsys/cogl-winsys-kms.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/cogl/winsys/cogl-winsys-kms.c b/cogl/winsys/cogl-winsys-kms.c
index f0ef592..cad666d 100644
--- a/cogl/winsys/cogl-winsys-kms.c
+++ b/cogl/winsys/cogl-winsys-kms.c
@@ -173,7 +173,7 @@ _cogl_winsys_kms_display_setup (CoglDisplay *display, GError **error)
     }
 
   kms_display->saved_crtc = drmModeGetCrtc (kms_renderer->fd,
-                                            kms_display->encoder->crtc_id);
+                                            encoder->crtc_id);
 
   kms_display->connector = connector;
   kms_display->encoder = encoder;