x86: make variables static

These variables are only used in their source files, so make them static.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/boot/video-vesa.c b/arch/x86/boot/video-vesa.c
index 99b3079..7511584 100644
--- a/arch/x86/boot/video-vesa.c
+++ b/arch/x86/boot/video-vesa.c
@@ -20,7 +20,7 @@
 static struct vesa_general_info vginfo;
 static struct vesa_mode_info vminfo;
 
-__videocard video_vesa;
+static __videocard video_vesa;
 
 #ifndef _WAKEUP
 static void vesa_store_mode_params_graphics(void);
@@ -293,7 +293,7 @@
 
 #endif /* not _WAKEUP */
 
-__videocard video_vesa =
+static __videocard video_vesa =
 {
 	.card_name	= "VESA",
 	.probe		= vesa_probe,