fixed issue

Author: mwatson-delphix

debian/rules

@@ -17,7 +17,7 @@ override_dh_auto_build:
 	cp cmd/estat.py build/cmd/estat
 	cp cmd/stbtrace.py build/cmd/stbtrace
 	cp cmd/nfs_threads.py build/cmd/nfs_threads
-	cp cmd/dsp.py build/cmd/nfs_threads
+	cp cmd/dsp.py build/cmd/dsp
 
 override_dh_auto_install:
 	dh_install build/cmd/* /usr/bin