修复离线保存PDF时，数据库关闭。

RedAnt ERP Mobile/common/Functions/offline/OLDataProvider.m

@@ -9851,6 +9851,7 @@
     
     if ([[resultDic objectForKey:@"result"] integerValue] != RESULT_TRUE) {
         
+        [iSalesDB close_db:db];
         [resultDictionary setObject:[resultDic objectForKey:@"result"] forKey:@"result"];
         
         return [RAUtils dict2data:resultDictionary];
@@ -9865,9 +9866,9 @@
     
     int result = [iSalesDB execSql:save_pdf_sql db:db];
     
+    [iSalesDB close_db:db];
     [resultDictionary setObject:[NSNumber numberWithInt:result] forKey:@"result"];
     
-    
     return [RAUtils dict2data:resultDictionary];
 }