improve translations of strings with numbers inside

tell tr that there is a number inside the translated string such that
translators can provide the proper plural forms

Changing text strings to correctly import them into Transifex.
Issue nextcloud#3776.

Signed-off-by: Valdnet <47037905+Valdnet@users.noreply.github.com>
Signed-off-by: Rainer Walke <walke@demogr.mpg.de>

src/gui/userstatusselectormodel.cpp

@@ -413,21 +413,21 @@ QString UserStatusSelectorModel::timeDifferenceToString(int differenceSecs) cons
         if (minutesLeft == 1) {
             return tr("1 minute");
         } else {
-            return tr("%1 minutes").arg(minutesLeft);
+            return tr("%1 minutes", "", minutesLeft).arg(minutesLeft);
         }
     } else if (differenceSecs < 60 * 60 * 24) {
         const auto hoursLeft = std::ceil(differenceSecs / 60.0 / 60.0);
         if (hoursLeft == 1) {
             return tr("1 hour");
         } else {
-            return tr("%1 hours").arg(hoursLeft);
+            return tr("%1 hours", "", hoursLeft).arg(hoursLeft);
         }
     } else {
         const auto daysLeft = std::ceil(differenceSecs / 60.0 / 60.0 / 24.0);
         if (daysLeft == 1) {
             return tr("1 day");
         } else {
-            return tr("%1 days").arg(daysLeft);
+            return tr("%1 days", "", daysLeft).arg(daysLeft);
         }
     }
 }