Don't use dh_clean in favour of dh_prep.

diff --git a/debian/rules b/debian/rules
index 070376c..6094713 100755 (executable)
--- a/debian/rules
+++ b/debian/rules
@@ -20,7 +20,7 @@ build-stamp:
 install: build
        dh_testdir
        dh_testroot
-       dh_clean -k
+       dh_prep
        dh_installdirs
 
        # Installing package