fix for those ugly DEBUG messages in brute mode

lib/core/option.py

@@ -1234,9 +1234,8 @@ def __setKnowledgeBaseAttributes(flushAll=True):
     kb.authHeader      = None
     kb.bannerFp        = advancedDict()
 
-    kb.brute           = advancedDict()
-    kb.brute.tables    = []
-    kb.brute.columns   = []
+    kb.brute           = advancedDict({'tables':[], 'columns':[]})
+    kb.bruteMode       = False
 
     kb.cache           = advancedDict()
     kb.cache.content   = {}