Use update_attribute instead of update_attributes to prevent masss-as…

…signment exceptions [refs sarahhodne-abandoned#15]

lib/defender/spammable.rb

@@ -114,7 +114,7 @@ def false_positive!
         if document['status'] == 'failed'
           raise DefenderError, document['message']
         end
-        update_attributes(:spam => false)
+        update_attribute(:spam, false)
       end
 
       # Public: Report a false negative to Defensio and update the spam
@@ -132,7 +132,7 @@ def false_negative!
         if document['status'] == 'failed'
           raise DefenderError, document['message']
         end
-        update_attributes(:spam => true)
+        update_attribute(:spam, true)
       end
 
       # Public: Pass in more data to be sent to Defensio. You should use this

lib/defender/test/comment.rb

@@ -40,12 +40,9 @@ def save(with_callbacks=true)
       end
     end
 
-    # Update the attributes with the names of the keys in the hash.
-    def update_attributes(hash={})
-      hash.each do |key, value|
-        self.send("#{key}=", value)
-      end
-      save
+    def update_attribute(name, value)
+      self.send("#{name}=".to_sym, value)
+      self.save
     end
   end
 end