Moved threadsafe queue for sound system utility into csplugincommon for use by sound system components other than the software renderer.
Moved threadsafe queue for sound system utility into csplugincommon for use by sound system components other than the software renderer.


git-svn-id: 28d9401aa571d5108e51b194aae6f24ca5964c06@23953 8cc4aa7f-3514-0410-904f-f2cc9021211c

crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS