Re-apply fix stomped on by someone else's patch. Tsk, tsk.

tglsfdc · tglsfdc · commit a4fd4cdc0dca · 1998-10-06T14:05:02.000Z
diff --git a/src/interfaces/libpq/libpqdll.def b/src/interfaces/libpq/libpqdll.def
@@ -65,3 +65,4 @@ EXPORTS
 	lo_export		@ 62
 	pgresStatus		@ 63
 	PQmblen			@ 64
+	PQresultErrorMessage	@ 65
