Fix bug. Valentina overrids exported file even if a user said no.

(grafted from cebb2be5d991225d9689a43e44c7764c31d708ff)

--HG--
branch : develop

ChangeLog.txt

@@ -25,6 +25,7 @@
 - [#703] Valentina warns about format rewriting for unsaved files.
 - [#704] Valentina crashes if click on detail.
 - [#706] Default unit in preferences not changing new file unit.
+- Fix bug. Valentina overrids exported file even if a user said no.
 
 # Version 0.5.0 May 9, 2017
 - [#581] User can now filter input lists by keyword in function wizard.

src/app/valentina/dialogs/dialogsavelayout.cpp

@@ -220,6 +220,7 @@ void DialogSaveLayout::Save()
                                   .arg(name), QMessageBox::Yes|QMessageBox::No, QMessageBox::Yes);
             if (res == QMessageBox::No)
             {
+                reject();
                 return;
             }
             else