Merge pull request #171 from catalyst/169-MOODLE_310_STABLE-backport

issue #169: Add default settings for cleaner_custom_sql_pre and _post

Author: keevan

cleaner/custom_sql_post/settings.php

@@ -29,4 +29,4 @@
 
 $settings->add(new admin_setting_configtextarea('cleaner_custom_sql_post/sql',
             new lang_string('sql', 'cleaner_custom_sql_post'),
-            new lang_string('sqldesc', 'cleaner_custom_sql_post'), null, PARAM_RAW));
+            new lang_string('sqldesc', 'cleaner_custom_sql_post'), '', PARAM_RAW));

cleaner/custom_sql_pre/settings.php

@@ -29,4 +29,4 @@
 
 $settings->add(new admin_setting_configtextarea('cleaner_custom_sql_pre/sql',
             new lang_string('sql', 'cleaner_custom_sql_pre'),
-            new lang_string('sqldesc', 'cleaner_custom_sql_pre'), null, PARAM_RAW));
+            new lang_string('sqldesc', 'cleaner_custom_sql_pre'), '', PARAM_RAW));