MFH: fix buffer overrun

Author: tony2001

ext/standard/ftp_fopen_wrapper.c

@@ -611,7 +611,7 @@ static size_t php_ftp_dirstream_read(php_stream *stream, char *buf, size_t count
 
 	tmp_len = MIN(sizeof(ent->d_name), basename_len - 1);
 	memcpy(ent->d_name, basename, tmp_len);
-	ent->d_name[tmp_len] = '\0';
+	ent->d_name[tmp_len - 1] = '\0';
 	efree(basename);
 
 	/* Trim off trailing whitespace characters */