feed edit dialog: make unsubscribe button work for feeds with quotes in title

modules/pref-feeds.php

@@ -377,6 +377,8 @@
 
 			print "</form>";
 
+			$title = htmlspecialchars($title, ENT_QUOTES);
+
 			print "<div class='dlgButtons'>
 				<div style=\"float : left\">
 					<input type='submit' class='button'			

modules/pref-filters.php

@@ -115,7 +115,7 @@
 
 			print "<div class=\"dlgButtons\">";
 
-			$reg_exp = htmlspecialchars($reg_exp); // second escaping seems to be needed for javascript
+			$reg_exp = htmlspecialchars($reg_exp, ENT_QUOTES); // second escaping seems to be needed for javascript
 
 			print "<div style=\"float : left\">";
 			print "<input type=\"submit\"