Avoid E_NOTICE on empty strings

diff --git a/languages/classes/LanguageTr.php b/languages/classes/LanguageTr.php
index 8a2dee0..57b0fd0 100644 (file)
--- a/languages/classes/LanguageTr.php
+++ b/languages/classes/LanguageTr.php
@@ -7,7 +7,7 @@
  */
 class LanguageTr extends Language {
        function ucfirst ( $string ) {
-               if ( $string[0] == 'i' ) {
+               if ( !empty($string) && $string[0] == 'i' ) {
                        return 'İ' . substr( $string, 1 );
                } else {
                        return parent::ucfirst( $string );