Merge pull request #1172 from kiwix/fix_include

Correctly include stdexcept.

Author: kelson42

src/kiwixconfirmbox.h

@@ -3,6 +3,8 @@
 
 #include <QDialog>
 
+#include <stdexcept>
+
 namespace Ui {
 class kiwixconfirmbox;
 }