Fix incorrect bug closure.

Standarize bracketed maintainer entries.

debian/changelog

@@ -1,6 +1,6 @@
 dpkg (1.13.12~) unstable; urgency=low
 
-  [Frank Lichtenheld]
+  [ Frank Lichtenheld ]
   * Let dpkg-gencontrol bail out with an error if parsedep
     found an error while parsing a dependency field. Closes: #228125
   * dpkg-source -x now tries to chown all files extracted from
@@ -30,7 +30,7 @@ dpkg (1.13.12~) unstable; urgency=low
   * Let dpkg-source -b warn about special permissions of files added
     in the diff since these will get lost. Closes: #306125
 
-  [Christian Perrier]
+  [ Christian Perrier ]
   * Updated Translations:
     - French (Christian Perrier).
     - Polish (Bartosz Fenski). Closes: #314237
@@ -65,7 +65,7 @@ dpkg (1.13.12~) unstable; urgency=low
   * Fix Russian man page for start-stop-deamon(8)
     Closes: #325804
   * Fix German man page for update-alternatives(8)
-    Closes: #247116
+    Closes: #329908
   * Fix typo in dpkg online help message. Unfuzzy translations
     Closes: #349299