update-debian-changelog: Pass "-f" to "mv" to fix "make distcheck".

"make distcheck" unsets the "writable" bit of files as it installs them
on "make dist", so to avoid an error (or a user query) updating
debian/changelog in such a situation we must use the -f option.

diff --git a/build-aux/update-debian-changelog b/build-aux/update-debian-changelog
index dfb84fc49ab46d63e0d608b8ae37d3c275c4d2bb..9353e70096d808bc9b0389d623aaaaeb271092a3 100755 (executable)
--- a/build-aux/update-debian-changelog
+++ b/build-aux/update-debian-changelog
@@ -33,5 +33,5 @@ openvswitch ($VERSION) unstable; urgency=low
 EOF
         cat "$CHANGELOG"
     } > "$CHANGELOG".new
-    mv "$CHANGELOG".new "$CHANGELOG"
+    mv -f "$CHANGELOG".new "$CHANGELOG"
 fi