drm/via: fixed coding style issues, simplified return

Fixed brace, macro and spacing coding style issues.
Simplified
 -if (ret) return ret;
 -return 0;
 +return ret;

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/via/via_verifier.h b/drivers/gpu/drm/via/via_verifier.h
index d6f8214..26b6d36 100644
--- a/drivers/gpu/drm/via/via_verifier.h
+++ b/drivers/gpu/drm/via/via_verifier.h
@@ -54,8 +54,8 @@
 	const uint32_t *buf_start;
 } drm_via_state_t;
 
-extern int via_verify_command_stream(const uint32_t * buf, unsigned int size,
-				     struct drm_device * dev, int agp);
+extern int via_verify_command_stream(const uint32_t *buf, unsigned int size,
+				     struct drm_device *dev, int agp);
 extern int via_parse_command_stream(struct drm_device *dev, const uint32_t *buf,
 				    unsigned int size);