Fix regressions after previous commit

library/ZendAfi/Form/ContactForm.php

@@ -31,7 +31,8 @@ class ZendAfi_Form_ContactForm extends ZendAfi_Form {
 
 
 	public function displayBibSelector() {
-		if ($multiOptions = Class_Bib::getBibsWithMail())
+		$multiOptions = Class_Bib::getBibsWithMail();
+		if (empty($multiOptions))
 				return $this;
 
 		$this