fix debian/rules clean when there is no makefile yet

diff --git a/debian/rules b/debian/rules
index 1861c139e96d8ed71d8d73679fb45e5b7812d8ee..4d37b27c1d6fd2819cedd6a80e66a9d21e7c6b05 100755 (executable)
--- a/debian/rules
+++ b/debian/rules
@@ -323,7 +323,7 @@ binary-arch: pkg-disorder pkg-disorder-server pkg-disorder-playrtp \
 binary-indep: 
 
 clean:
-       test -f Makefile && $(MAKE) distclean
+       if test -f Makefile; then $(MAKE) distclean; fi
        rm -f config.cache
        rm -f debian/files
        rm -f debian/substvars.*