doc PG relnotes: fix SGML markup for new commit links

bmomjian · bmomjian · commit d891c49286bb · 2024-09-16T14:23:39.000-04:00
Backpatch-through: 12
diff --git a/doc/src/sgml/postgres.sgml b/doc/src/sgml/postgres.sgml
@@ -9,6 +9,7 @@
 <!ENTITY % filelist SYSTEM "filelist.sgml">
 %filelist;
 
+<!ENTITY commit_baseurl "https://postgr.es/c/">
 <!ENTITY reference  SYSTEM "reference.sgml">
 
 <!--
