add am-server-top.dtd, not yet part of product -> no reviewer

mailnews/base/prefs/resources/locale/en-US/Makefile.in

@@ -46,6 +46,7 @@ EXPORT_RESOURCE_SAMPLES = \
 		AccountManager.dtd \
 		AccountWizard.dtd \
 		am-advanced.dtd \
+		am-imap-advanced.dtd \
 		am-copies.dtd \
 		am-main.dtd \
 		am-server-top.dtd \

mailnews/base/prefs/resources/locale/en-US/am-server-top.dtd

@@ -41,3 +41,5 @@
 <!ENTITY abbreviate.label "Show newsgroup names in the Mail Folder pane as:">
 <!ENTITY abbreviateOn.label "Full names (For example, 'netscape.public.mozilla.mail-news')">
 <!ENTITY abbreviateOff.label "Abbreviate names (For example, 'n.p.m.mail-news')">
+<!ENTITY advancedButton.label "Advanced...">
+