debian: Add missing bug closure

debian/changelog

@@ -141,7 +141,7 @@ dpkg (1.18.16) unstable; urgency=medium
       Closes: #846395
     - Update dpkg-parsechangelog parser options. The options specific to
       the changelog parser program did not get updated when the parser got
-      switched to be a perl module. Missed in dpkg 1.18.8.
+      switched to be a perl module. Missed in dpkg 1.18.8. Closes: #848189
   * Build system:
     - Enable compression libs also in automatic check mode in configure.
     - Honor DPKG_DATADIR again in the installed Dpkg modules. This was an