Fix another GROUP BY issue.

The “Starts with” letter list was not working…
Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'coral_organizations.O.name' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

organizations/admin/classes/domain/Organization.php

@@ -639,7 +639,7 @@ public function getAlphabeticalList(){
 		$alphArray = array();
 		$result = mysqli_query($this->db->getDatabase(), "SELECT DISTINCT UPPER(SUBSTR(TRIM(LEADING 'The ' FROM name),1,1)) letter, COUNT(SUBSTR(TRIM(LEADING 'The ' FROM name),1,1)) letter_count
 								FROM Organization O
-								GROUP BY SUBSTR(TRIM(LEADING 'The ' FROM name),1,1)
+								GROUP BY SUBSTR(TRIM(LEADING 'The ' FROM name),1,1), O.name
 								ORDER BY 1;");
 
 		while ($row = mysqli_fetch_assoc($result)){