integrated libsamplerate-code as 3rd-party-sourcecode for the case libsamplerate is not available

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@500 0778d3d1-df1d-0410-868b-ea421aaaa00d

plugins/singerbot/singerbot.h

@@ -36,8 +36,15 @@
 
 #endif
 
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
 
+#ifndef USE_3RDPARTY_LIBSRC
 #include <samplerate.h>
+#else
+#include "src/3rdparty/samplerate/samplerate.h"
+#endif
 
 #include "instrument.h"
 #include "mixer.h"