Try to remove some false-positives in Grunt clean task

diff --git a/sonar-server/Gruntfile.coffee b/sonar-server/Gruntfile.coffee
index c4387bffef0c446db5e7015d24cb7d15fadda891..4f798ddd1b6f6061b305821d6ad225307ad043e0 100644 (file)
--- a/sonar-server/Gruntfile.coffee
+++ b/sonar-server/Gruntfile.coffee
@@ -203,6 +203,9 @@ module.exports = (grunt) ->
 
 
     clean:
+      options: {
+        force: true
+      },
       css: ['<%= pkg.assets %>css/']
       js: ['<%= pkg.assets %>js/']
       build: ['<%= pkg.assets %>build/']