drm/vmwgfx: Remove trailing whitespace

Fix coding style. No functional changes.

Signed-off-by: Thomas Zimmermann <[e-mail]>
Reviewed-by: Sam Ravnborg <[e-mail]>
Reviewed-by: Zack Rusin <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/vmwgfx/vmwgfx_kms.c

···
 	drm_modeset_drop_locks(&ctx);
 	drm_modeset_acquire_fini(&ctx);
 	mutex_unlock(&dev->mode_config.mutex);
- 
+
 	return 0;
 }
 

drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c

···
 	vmw_validation_revert(&val_ctx);
 out_unref:
 	vmw_validation_unref_lists(&val_ctx);
-	
+
 	return ret;
 }