Fixed syntax error

library/Zend/Pdf.php

@@ -629,7 +629,7 @@ class Zend_Pdf
         foreach ($root->AcroForm->Fields->items as $field)
         {
             /* We only support fields that are textfields and have a name */
-            if ( $field->FT && $field->FT->value == 'Tx' && && $field->T && $field->T !== null ) 
+            if ( $field->FT && $field->FT->value == 'Tx' && $field->T && $field->T !== null ) 
             {
                 $this->_formFields[$field->T->value] = $field;
             }