fix code

iOSClient/Main/CCMain.m

@@ -4047,10 +4047,11 @@
                                     handler:^(AHKActionSheet *as) {
                                         
                                         dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^{
-                                           if ([app.endToEndInterface markEndToEndFolderEncrypted:app.activeUrl fileID:_metadata.fileID serverUrl:[NSString stringWithFormat:@"%@/%@", self.serverUrl, _metadata.fileName]])
+                                            if ([app.endToEndInterface markEndToEndFolderEncrypted:app.activeUrl fileID:_metadata.fileID serverUrl:[NSString stringWithFormat:@"%@/%@", self.serverUrl, _metadata.fileName]]) {
                                                dispatch_async(dispatch_get_main_queue(), ^{
                                                    [self readFolder:self.serverUrl];
                                                });
+                                            }
                                         });
                                     }];
         }
@@ -4065,10 +4066,11 @@
                                     handler:^(AHKActionSheet *as) {
                                         
                                         dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^{
-                                            if ([app.endToEndInterface deletemarkEndToEndFolderEncrypted:app.activeUrl fileID:_metadata.fileID serverUrl:[NSString stringWithFormat:@"%@/%@", self.serverUrl, _metadata.fileName]])
+                                            if ([app.endToEndInterface deletemarkEndToEndFolderEncrypted:app.activeUrl fileID:_metadata.fileID serverUrl:[NSString stringWithFormat:@"%@/%@", self.serverUrl, _metadata.fileName]]) {
                                                 dispatch_async(dispatch_get_main_queue(), ^{
                                                     [self readFolder:self.serverUrl];
                                                 });
+                                            }
                                         });
                                     }];
         }