Fix wording of "hostaddrs"

The field is still called "hostaddr", so make sure references use
"hostaddr values" instead.

Author: Michael Paquier <michael.paquier@gmail.com>

doc/src/sgml/libpq.sgml

@@ -1010,8 +1010,8 @@ postgresql://%2Fvar%2Flib%2Fpostgresql/dbname
        </para>
 
        <para>
-        A comma-separated list of <literal>hostaddrs</literal> is also accepted, in
-        which case each host in the list is tried in order. See
+        A comma-separated list of <literal>hostaddr</literal> values is also
+        accepted, in which case each host in the list is tried in order. See
         <xref linkend="libpq-multiple-hosts"/> for details.
        </para>
        <para>

src/interfaces/libpq/fe-connect.c

@@ -972,7 +972,7 @@ connectOptions2(PGconn *conn)
 		{
 			conn->status = CONNECTION_BAD;
 			printfPQExpBuffer(&conn->errorMessage,
-							  libpq_gettext("could not match %d host names to %d hostaddrs\n"),
+							  libpq_gettext("could not match %d host names to %d hostaddr values\n"),
 							  count_comma_separated_elems(conn->pghost), conn->nconnhost);
 			return false;
 		}