enlargePQExpBuffer, alone among the functions exported by pqexpbuffer.h,

wasn't exported by exports.txt.  Ooops.  Per buildfarm results.

src/interfaces/libpq/exports.txt

-# $PostgreSQL: pgsql/src/interfaces/libpq/exports.txt,v 1.10 2006/05/23 22:14:27 momjian Exp $
+# $PostgreSQL: pgsql/src/interfaces/libpq/exports.txt,v 1.11 2006/05/28 22:42:05 tgl Exp $
 # Functions to be exported by libpq DLLs
 PQconnectdb               1
 PQsetdbLogin              2
@@ -129,3 +129,4 @@ PQescapeStringConn        126
 PQescapeByteaConn         127
 PQencryptPassword         128
 PQisthreadsafe            129
+enlargePQExpBuffer        130