Fix lintian warning.

diff --git a/debian/rules b/debian/rules
index 0cb3890d570466c0e55f97297c3d7cc427fd54da..bbc239224cef48115700d6b247651deb99bc2c17 100755 (executable)
--- a/debian/rules
+++ b/debian/rules
@@ -19,7 +19,7 @@ clean:
        dh_testdir
        dh_testroot
        rm -f build-stamp configure-stamp
-       -$(MAKE) distclean
+       [ ! -f Makefile.settings ] || $(MAKE) distclean
        dh_clean
 
 install: build