Qemu don't found installed package?

["Maurizio Caloro" <mauric%gmx.ch@localhost>]

Hello Together
Pulseaudio are Installed and this from pkgsrc tree but Qemu don't found this? 
what's running now wrong? for any info or help i'am Happy
regards Mauri

# pkg_info |grep pulse
pulseaudio-0.9.21   Sound server for POSIX and Win32 systems

=> Full dependency pulseaudio>=0.9.21nb10: NOT found
=> Verifying package-install for ../../audio/pulseaudio
=> Bootstrap dependency digest>=20010302: found digest-20080510
===> Install binary package of pulseaudio-0.9.21

pkg_add: package `pulseaudio-0.9.21' already recorded as installed

ERROR: [depends.mk] A package matching ``pulseaudio>=0.9.21nb10'' should
ERROR:     be installed, but one cannot be found.  Perhaps there is a
ERROR:     stale work directory for ../../audio/pulseaudio?
*** Error code 1
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