[PATCH] fix warnings from vgaarb.h

[Meelis Roos <mroos@linux.ee>]

in 3.4-rc1-144, I get the following warnings. Fix them by including 
<linux/pci.h> to get struct pci_dev.

  CC [M]  drivers/gpu/drm/i915/intel_display.o
In file included from drivers/gpu/drm/i915/intel_display.c:33:0:
include/linux/vgaarb.h:66:9: warning: ‘struct pci_dev’ declared inside parameter list [enabled by default]
include/linux/vgaarb.h:66:9: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
include/linux/vgaarb.h:97:27: warning: ‘struct pci_dev’ declared inside parameter list [enabled by default]
include/linux/vgaarb.h:109:6: warning: ‘struct pci_dev’ declared inside parameter list [enabled by default]
include/linux/vgaarb.h: In function ‘vga_get_interruptible’:
include/linux/vgaarb.h:111:8: warning: passing argument 1 of ‘vga_get’ from incompatible pointer type [enabled by default]
include/linux/vgaarb.h:97:12: note: expected ‘struct pci_dev *’ but argument is of type ‘struct pci_dev *’
include/linux/vgaarb.h: At top level:
include/linux/vgaarb.h:121:8: warning: ‘struct pci_dev’ declared inside parameter list [enabled by default]
include/linux/vgaarb.h: In function ‘vga_get_uninterruptible’:
include/linux/vgaarb.h:123:8: warning: passing argument 1 of ‘vga_get’ from incompatible pointer type [enabled by default]
include/linux/vgaarb.h:97:12: note: expected ‘struct pci_dev *’ but argument is of type ‘struct pci_dev *’
include/linux/vgaarb.h: At top level:
include/linux/vgaarb.h:138:30: warning: ‘struct pci_dev’ declared inside parameter list [enabled by default]
include/linux/vgaarb.h:157:28: warning: ‘struct pci_dev’ declared inside parameter list [enabled by default]
drivers/gpu/drm/i915/intel_display.c: In function ‘i915_disable_vga’:
drivers/gpu/drm/i915/intel_display.c:9127:2: warning: passing argument 1 of ‘vga_get_uninterruptible’ from incompatible pointer type [enabled by default]
include/linux/vgaarb.h:120:19: note: expected ‘struct pci_dev *’ but argument is of type ‘struct pci_dev *’
drivers/gpu/drm/i915/intel_display.c:9131:2: warning: passing argument 1 of ‘vga_put’ from incompatible pointer type [enabled by default]
include/linux/vgaarb.h:157:13: note: expected ‘struct pci_dev *’ but argument is of type ‘struct pci_dev *’

Signed-off-by: Meelis Roos <mroos@linux.ee>

diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h
index 9c3120d..c23ba57 100644
--- a/include/linux/vgaarb.h
+++ b/include/linux/vgaarb.h
@@ -31,6 +31,7 @@
 #ifndef LINUX_VGA_H
 #define LINUX_VGA_H
 
+#include <linux/pci.h>
 
 /* Legacy VGA regions */
 #define VGA_RSRC_NONE	       0x00

-- 
Meelis Roos (mroos@linux.ee)