links privately to lib/pulseaudio/libpulse{common,core}-X.Y.so

--- libpulse-simple.pc.in.orig	Wed Sep 26 13:27:01 2012
+++ libpulse-simple.pc.in	Tue Jan  1 12:03:38 2013
@@ -6,7 +6,7 @@ includedir=@includedir@
 Name: libpulse-simple
 Description: PulseAudio Simplified Synchronous Client Interface
 Version: @PACKAGE_VERSION@
-Libs: -L${libdir} -lpulse-simple @PTHREAD_LIBS@
+Libs: -L${libdir} -lpulse-simple @PTHREAD_LIBS@ -Wl,-rpath,${libdir}/pulseaudio
 Libs.private: -L${libdir}/pulseaudio -lpulsecommon-@PA_MAJORMINOR@
 Cflags: -I${includedir} -D_REENTRANT
 Requires: libpulse