fs: set fs.watchFile poll interval to 1s

Author: anonrig

lib/fs.js

@@ -2359,10 +2359,7 @@ function watchFile(filename, options, listener) {
   }
 
   options = {
-    // Poll interval in milliseconds. 5007 is what libev used to use. It's
-    // a little on the slow side but let's stick with it for now to keep
-    // behavioral changes to a minimum.
-    interval: 5007,
+    interval: 1000,
     persistent: true,
     ...options
   };