phonon-backend-vlc fixes for mac

phonon-vlc-oneinstance.patch

--- ../phonon-backend-vlc-0.7.1/src/utils/libvlc.cpp    2013-12-06 11:23:05.000000000 +0100
+++ ./src/utils/libvlc.cpp      2014-01-25 16:38:13.528310339 +0100
@@ -94,7 +94,7 @@
     // Do not preload services discovery modules, we don't use them.
     args << "--services-discovery=''";
     // Allow multiple starts (one gets to wonder whether that makes a difference).
-#if (LIBVLC_VERSION_INT > LIBVLC_VERSION(2, 1, 0, 0) && defined(Q_OS_MAC)) || defined( Q_OS_WIN) || !defined(PHONON_NO_DBUS)
+#if !defined(Q_OS_MAC) && (defined(Q_OS_WIN) || !defined(PHONON_NO_DBUS))
     args << "--no-one-instance";
 #endif
     args << "--no-audio";