fix save several file on by reseting the xstorable on close

Change-Id: I329d43e06b0c81cebda0464ebb0fff41714020a3
Reviewed-on: https://gerrit.libreoffice.org/6355
Reviewed-by: Tor Lillqvist <tml@collabora.com>
Tested-by: Tor Lillqvist <tml@collabora.com>
diff --git a/ios/shared/ios_sharedlo/cxx/mlo_uno.mm b/ios/shared/ios_sharedlo/cxx/mlo_uno.mm
index 20c079b..49a4fac 100644
--- a/ios/shared/ios_sharedlo/cxx/mlo_uno.mm
+++ b/ios/shared/ios_sharedlo/cxx/mlo_uno.mm
@@ -365,6 +365,7 @@ mlo_close(void){
        openedXSelectionSupplier.clear();
        openedXFrame.clear();
        openedXDispatchProvider.clear();
        openedXStorable.clear();
        resetLastSearch();
        
        NSLog(@"XComponent disposed successfully");