Qt: fix loop-button icon on notification of change
Qt: fix loop-button icon on notification of change

Given that NORMAL=0, REPEAT_ALL=1, REPEAT_ONE=2, the previous code would
not yield a value that actually corresponds to the correct icon when we
receive notification of "loop mode change".

Signed-off-by: Jean-Baptiste Kempf <7b85a41a628204b76aba4326273a3ccc74bd009a@videolan.org>

xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc