Use explicit_bzero() when clearing sslpassword in libpq
Since any security-sensitive information gets cleared from
memory this way.  This was forgotten in
Author: Daniel Gustafsson
Discussion:
@@ -4037,7 +4037,10 @@ freePGconn(PGconn *conn)
if (conn->sslkey)
free(conn->sslkey);
if (conn->sslpassword)
+ {
+ explicit_bzero(conn->sslpassword, strlen(conn->sslpassword));
free(conn->sslpassword);
+ }
if (conn->sslrootcert)
free(conn->sslrootcert);
if (conn->sslcrl)
