Get rid of trailing whitespace.

Commit generated by command:

find -type f ! -path '*.git*' ! -path '*.png' ! -path '*.ico' ! -path \
    '*.ogg' | xargs -I '{}' sed -i '{}' -e 's/\t*$//g' -e 's/ *$//g'

modules/client_entergame/characterlist.otui

@@ -81,7 +81,7 @@ MainWindow
     anchors.right: parent.right
     anchors.bottom: next.top
     margin-bottom: 1
-    
+
   Label
     id: accountStatusLabel
     !text: tr('Free Account')