remove white space after ?>

library/ZendAfi/Validate/Isbn.php

@@ -16,20 +16,20 @@
  *
  * You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE
  * along with AFI-OPAC 2.0; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA 
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
  */
 class ZendAfi_Validate_Isbn extends Zend_Validate_Abstract {
 	const INVALID_ISBN = 'invalidIsbn';
-	
+
 	protected $_messageTemplates = array(self::INVALID_ISBN   => "'%value%' n'est pas un ISBN valide");
-	
+
 	public function isValid($value)	{
 		if ('' === $valueString = preg_replace('/[\s\.\-\_]/', '', (string)$value))
 			return true;
 
 		$this->_setValue($valueString);
-		
-		if ($this->isISBN10Valid($valueString) || $this->isISBN13Valid($valueString)) 
+
+		if ($this->isISBN10Valid($valueString) || $this->isISBN13Valid($valueString))
 			return true;
 
 		$this->_error(self::INVALID_ISBN);
@@ -50,7 +50,7 @@ class ZendAfi_Validate_Isbn extends Zend_Validate_Abstract {
 	public function isISBN10Valid($ISBN10){
 		if(strlen($ISBN10) != 10)
 			return false;
- 
+
 		$a = 0;
 		for($i = 0; $i < 10; $i++){
 			if ($ISBN10[$i] == "X"){
@@ -60,5 +60,4 @@ class ZendAfi_Validate_Isbn extends Zend_Validate_Abstract {
 		return ($a % 11 == 0);
 	}
 }
-?>
-
+?>
\ No newline at end of file