Check ignore next warning comments in a warn() helper

lib/hacks/grid-end.js

@@ -1,5 +1,5 @@
 let Declaration = require('../declaration')
-let { isPureNumber } = require('../utils')
+let { isPureNumber, warn } = require('../utils')
 
 class GridEnd extends Declaration {
   /**
@@ -34,9 +34,10 @@ class GridEnd extends Declaration {
           return undefined
         }
       } else {
-        decl.warn(
+        warn(
           result,
-          `Can not prefix ${decl.prop} (${startProp} is not found)`
+          `Can not prefix ${decl.prop} (${startProp} is not found)`,
+          { node: decl }
         )
       }
     }