debian: Remove obsolete reference to var/log/core.

Commit 14c3b136 "debian: Remove corekeeper package" removed the
var/log/core directory from the Debian packaging, but I missed this part.

diff --git a/debian/rules b/debian/rules
index 76d11a0..357285f 100755 (executable)
--- a/debian/rules
+++ b/debian/rules
@@ -107,7 +107,7 @@ binary-common:
        dh_link
        dh_strip --dbg-package=openvswitch-dbg
        dh_compress 
-       dh_fixperms -X var/log/core
+       dh_fixperms
        dh_pysupport
        dh_perl
        dh_makeshlibs