script: fix memory leak in case of invalid XML content in list of scripts

ChangeLog.adoc

@@ -39,6 +39,7 @@ Bug fixes::
   * php: fix return code of functions config_write_option and config_write_line
   * php: fix memory leak in 72 functions returning allocated strings
   * ruby: fix memory leak in 7 functions returning allocated strings
+  * script: fix memory leak in case of invalid XML content in list of scripts
   * scripts: fix memory leak in hook_info callback
   * scripts: fix return value of hook_infolist callback (pointer instead of string)
   * scripts: return long integer instead of string in function infolist_time

src/plugins/script/script-repo.c

@@ -1411,6 +1411,8 @@ script_repo_file_read (int quiet)
                         SCRIPT_PLUGIN_NAME);
     }
 
+    if (script)
+        script_repo_free (script);
     if (locale)
         free (locale);
     if (locale_language)