Add option to enable / disable external editor

utils/sql_update/users_sql_update.pl

@@ -135,4 +135,24 @@ if (check_exists("codepage") == 0) {
         my $sql = "ALTER TABLE users ADD COLUMN codepage INTEGER DEFAULT 0";   
         $dbh->do($sql);
         $dbh->disconnect;  
-}
+}
+
+if (check_exists("exteditor") == 0) {
+        print "Column \"exteditor\" doesn't exist... adding..\n"; 
+
+        my ($needed) = @_;       
+
+        my $dsn = "dbi:SQLite:dbname=$dbfile";  
+        my $user = "";  
+        my $password = "";      
+        my $dbh = DBI->connect($dsn, $user, $password, {        
+                PrintError       => 0,  
+                RaiseError       => 1,  
+                AutoCommit       => 1,  
+                FetchHashKeyName => 'NAME_lc',  
+        });     
+
+        my $sql = "ALTER TABLE users ADD COLUMN exteditor INTEGER DEFAULT 2";   
+        $dbh->do($sql);
+        $dbh->disconnect;  
+}