Bug 203310. wav should be '.wav' in Notifications prefs in Mail. r=robinf@netscape.com, sr=sspitzer@netscape.com, a=sspitzer@netscape.com

mailnews/base/prefs/resources/locale/en-US/pref-notifications.dtd

@@ -27,7 +27,7 @@ Rights Reserved.
 <!ENTITY preview.label                    "Preview">
 <!ENTITY preview.accesskey                "v">
 <!ENTITY systemsound.label                "System New Mail Sound">
-<!ENTITY customsound.label                "Custom wav file">
+<!ENTITY customsound.label                "Custom .wav file">
 <!ENTITY browse.label                     "Browse...">
 <!ENTITY browse.accesskey                 "B">
 <!ENTITY browse.title                     "Choose file">