findspam.py: add one variation in is_offensive_post

https://chat.stackexchange.com/transcript/message/56297796#56297796

findspam.py

@@ -1213,7 +1213,7 @@ def is_offensive_post(s, site):
         r"pedo(?!bapt|dont|log|mete?r|troph)|fascis[tm]s?|cocksuck(e?[rd])?|"
         r"whore|cunt|jerk(ing)?\W?off|cumm(y|ie)|butthurt|queef|lesbo|"
         r"bitche?|(eat|suck|throbbing|sw[oe]ll(en|ing)?)\b.{0,20}\b(cock|dick)|dee[sz]e? nut[sz]|"
-        r"dumb\W?ass|wet\W?puss(y|ie)?|slut+y?|shot\W?my\W?(hot\W?)?load)s?)+)\b")
+        r"dumb\W?ass|wet\W?puss(y|ie)?|s[1l]ut+y?|shot\W?my\W?(hot\W?)?load)s?)+)\b")
 
     matches = list(offensive.finditer(s))
     len_of_match = 0