mention filename in exception

git-svn-id: http://svn.php.net/repository/pear/packages/Text_LanguageDetect/trunk@322325 c90b9560-bf6c-de11-be94-00142212c4b1

Author: cweiske

Text/LanguageDetect.php

@@ -237,12 +237,12 @@ function _readdb($fname)
         // input check
         if (!file_exists($fname)) {
             throw new Text_LanguageDetect_Exception(
-                'Language database does not exist.',
+                'Language database does not exist: ' . $fname,
                 Text_LanguageDetect_Exception::DB_NOT_FOUND
             );
         } elseif (!is_readable($fname)) {
             throw new Text_LanguageDetect_Exception(
-                'Language database is not readable.',
+                'Language database is not readable:' . $fname,
                 Text_LanguageDetect_Exception::DB_NOT_READABLE
             );
         }