Fix potential loop when requesting attribute data.

If this function fail we are better off abandoning the whole quest, continueing
here may end us up in an infinite loop where the fucntion keeps failing w/o
changing attr.more

Thanks to Alejandro Perez for finding this flaw.

Signed-off-by: Simo Sorce <simo@redhat.com>

Author: simo5

src/environ.c

@@ -214,7 +214,7 @@ void mag_get_name_attributes(request_rec *req, struct mag_config *cfg,
             attr.value = empty_buffer;
             attr.display_value = empty_buffer;
 
-            if (!mag_get_name_attr(req, name, &attr)) continue;
+            if (!mag_get_name_attr(req, name, &attr)) break;
 
             if (cfg->name_attributes->output_json) {
                 mag_add_json_name_attr(req, i == 0, &attr, &json);