Fix buildfarm failure introduced by commit e65dbc9.

Amit Kapila · Amit Kapila · commit b35434b134b1 · 2025-01-23T17:47:15.000+05:30
The patch had incorrectly specified the default value for publish_generated_columns during the query formation in pg_dump. Author: Vignesh C <vignesh21@gmail.com> Discussion: https://postgr.es/m/CAA4eK1KfZYTD8Hpi9TD1KaB8rNUBR9baUvTxa5wYyZDGbEaa6g@mail.gmail.com
diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
@@ -4318,7 +4318,7 @@ getPublications(Archive *fout)
 	if (fout->remoteVersion >= 180000)
 		appendPQExpBufferStr(query, "p.pubgencols_type ");
 	else
-		appendPQExpBufferStr(query, CppAsString2(PUBLISH_GENCOLS_NONE) " AS pubgencols_type ");
+		appendPQExpBuffer(query, "'%c' AS pubgencols_type ", PUBLISH_GENCOLS_NONE);
 
 	appendPQExpBufferStr(query, "FROM pg_publication p");
 
