don't pass requested_copies again, that would result in n^2 cards

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@1316 0fc631ac-6414-0410-93d0-97cfa31319b6

src/data/pack.cpp

@@ -370,7 +370,7 @@ void PackInstance::generate(vector<CardP>* out) {
 					}
 					// have we reached the item we were looking for?
 					if (r < 0) {
-						i.request_copy(requested_copies * item->amount);
+						i.request_copy(item->amount);
 						break;
 					}
 				}