11972 resync smatch

@@ -3,8 +3,8 @@
 /*
  * check-name: warn-unknown-attribute-yes
  * check-command: sparse -Wunknown-attribute $file
  *
  * check-error-start
-Wunknown-attribute-yes.c:1:37: warning: attribute 'unknown_attribute': unknown attribute
+Wunknown-attribute-yes.c:1:37: warning: unknown attribute 'unknown_attribute'
  * check-error-end
  */