i965/tex: Change the flags type on create_for_teximage

This matches the actual function declaration.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

src/mesa/drivers/dri/i965/intel_tex.h

@@ -49,7 +49,7 @@ struct intel_mipmap_tree *
 intel_miptree_create_for_teximage(struct brw_context *brw,
 				  struct intel_texture_object *intelObj,
 				  struct intel_texture_image *intelImage,
-                                  uint32_t layout_flags);
+                                  enum intel_miptree_create_flags flags);
 
 void intel_finalize_mipmap_tree(struct brw_context *brw, GLuint unit);