Use G_N_ELEMENTS instead of ARRAY_CARDINALITY

Prefer the GLib version of the macro.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>

tests/virfirewalltest.c

@@ -991,7 +991,7 @@ testFirewallQueryCallback(virFirewallPtr fw,
                        "--jump", "REJECT", NULL);
 
     for (i = 0; lines[i] != NULL; i++) {
-        if (expectedLineNum >= ARRAY_CARDINALITY(expectedLines)) {
+        if (expectedLineNum >= G_N_ELEMENTS(expectedLines)) {
             expectedLineError = true;
             break;
         }