Merge remote-tracking branch 'origin/QA_4_4' into QA_4_4

ChangeLog

@@ -2,6 +2,7 @@ phpMyAdmin - ChangeLog
 ======================
 
 4.4.13.0 (not yet released)
+- issue #1808 "Improve table structure" generates invalid SQL
 
 4.4.12.0 (2015-07-20)
 - bug       Saved chart image does not have a proper name or an extension

libraries/create_addfield.lib.php

@@ -99,6 +99,10 @@ function PMA_setColumnCreationStatementSuffix($current_field_num,
         return $sql_suffix;
     }
 
+    if ($_REQUEST['field_where'] == 'last') {
+        return $sql_suffix;
+    }
+
     // Only the first field can be added somewhere other than at the end
     if ($current_field_num == 0) {
         if ($_REQUEST['field_where'] == 'first') {