Fix typo in release note.

MasaoFujii · MasaoFujii · commit 551c78281b47 · 2013-11-27T13:48:01.000+09:00
Backpatch to 9.1.

Josh Kupershmidt
diff --git a/doc/src/sgml/release-9.1.sgml b/doc/src/sgml/release-9.1.sgml
@@ -268,7 +268,7 @@
 
     <listitem>
      <para>
-      Have <application>pg_upgrade</> use <command>>pg_dump
+      Have <application>pg_upgrade</> use <command>pg_dump
       --quote-all-identifiers</> to avoid problems with keyword changes
       between releases (Tom Lane)
      </para>
