[exim] Bug in exim 4.90 postgresql

I have 3 times used the "Create a new Bugzilla account" and written to
the admin. Nothing back so here is my report:


There is a bug in exim 4.90 postgresql, fix:

--- ../original/src/lookups/pgsql.c    2017-12-12 22:14:38.000000000 +0000
+++ src/lookups/pgsql.c    2017-12-22 19:31:06.621334570 +0000
@@ -329,7 +329,7 @@
      result = string_catn(result, US"\n", 1);

    if (num_fields == 1)
-    result = string_catn(NULL,
+    result = string_catn(result,
      US PQgetvalue(pg_result, i, 0), PQgetlength(pg_result, i, 0));
    else
      {

James.