ImageSVG() does not calculate the correct w/h values anymore.

The bug appeared in 6.0.031 and was caused by the
'avoid "division by zero"' part of commit: 0c26f23
The fix, for me, is to remove the div_by_zero mitigation.

tcpdf.php

@@ -23034,12 +23034,6 @@ public function ImageSVG($file, $x=null, $y=null, $w=0, $h=0, $link='', $align='
 				}
 			}
 		}
-		if ($ow <= 0) {
-			$ow = 1;
-		}
-		if ($oh <= 0) {
-			$oh = 1;
-		}
 		// calculate image width and height on document
 		if (($w <= 0) AND ($h <= 0)) {
 			// convert image size to document unit