drm/i915: Update DRIVER_DATE to 20141219

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/i915_drv.h

@@ -55,7 +55,7 @@
 
 #define DRIVER_NAME		"i915"
 #define DRIVER_DESC		"Intel Graphics"
-#define DRIVER_DATE		"20141205"
+#define DRIVER_DATE		"20141219"
 
 #undef WARN_ON
 /* Many gcc seem to no see through this and fall over :( */