[Minor] fix typo: obfusicated -> obfuscated

rules/misc.lua

@@ -142,7 +142,7 @@ local obscured_id = rspamd_config:register_symbol{
   name = 'R_SUSPICIOUS_URL',
   score = 5.0,
   one_shot = true,
-  description = 'Obfusicated or suspicious URL has been found in a message',
+  description = 'Obfuscated or suspicious URL has been found in a message',
   group = 'url'
 }
 

src/lua/lua_url.c

@@ -401,7 +401,7 @@ lua_url_is_redirected (lua_State *L)
 
 /***
  * @method url:is_obscured()
- * Check whether URL is treated as obscured or obfusicated (e.g. numbers in IP address or other hacks)
+ * Check whether URL is treated as obscured or obfuscated (e.g. numbers in IP address or other hacks)
  * @return {boolean} `true` if URL is obscured
  */
 static gint