minor wording change to support images

xpfe/components/prefwindow/resources/locale/en-US/pref-cookies.dtd

@@ -1,9 +1,9 @@
 <!-- LOCALIZATION NOTE : FILE Cookie management prefs -->
 
-<!ENTITY window.title "Cookies">
-<!ENTITY lHeader "Cookies">
+<!ENTITY window.title "Cookies/Images">
+<!ENTITY lHeader "Cookies/Images">
 <!ENTITY remSignCheck.label "Automatically prefill usernames and passwords">
-<!ENTITY rHeader "Manage cookies stored on your computer">
+<!ENTITY rHeader "Manage cookies and images stored on your computer">
 <!ENTITY cookies "Cookies">
 <!ENTITY accAllCookiesRadio.label "Accept all cookies">
 <!ENTITY accAllCookiesRadio.accesskey "a">

xpfe/components/prefwindow/resources/locale/en-US/preftree.dtd

@@ -25,7 +25,7 @@
 <!ENTITY offline.label "Offline">
 <!ENTITY advance.label "Advanced">
 <!ENTITY down.label "Download">
-<!ENTITY cookies.label "Cookies">
+<!ENTITY cookies.label "Cookies and Images">
 <!ENTITY wallet.label "Password Manager">
 <!ENTITY cache.label "Cache">
 <!ENTITY proxies.label "Proxies">