ID3v1 should not parse files shorter than 128 bytes

Because the id3v1 parser does a negative 128 byte fseek, it can only
parse files that are longer than 128 bytes. Some midi files are
shorter than that and could not be parsed.

Author: hartman

getid3/module.tag.id3v1.php

@@ -29,6 +29,9 @@ public function Analyze() {
 		if (!getid3_lib::intValueSupported($info['filesize'])) {
 			$this->warning('Unable to check for ID3v1 because file is larger than '.round(PHP_INT_MAX / 1073741824).'GB');
 			return false;
+		} elseif ($info['filesize'] < 128) {
+			$this->warning('Unable to check for ID3v1 because file is too small');
+			return false;
 		}
 
 		if($info['filesize'] < 256) {