Reduce dialog height

src/freedombone-addremove

             dialog --title $"$installs" \
                    --backtitle $"Freedombone" \
                    --defaultno \
-                   --yesno $"\nYou have chosen to install the $installs app.\n\nIf you select 'yes' then the install will go ahead.\n\nAre you sure that you wish to continue?" 15 60
+                   --yesno $"\nYou have chosen to install the $installs app.\n\nIf you select 'yes' then the install will go ahead.\n\nAre you sure that you wish to continue?" 11 60
         else
             dialog --title $"Add applications" \
                    --backtitle $"Freedombone" \