fixing bug 205865 - Chatzilla's command key in the 'Window' menu is in conflict with IM's menu item. r=rginda, sr=jag, a=sspitzer

calendar/locales/en-US/chrome/calendar/overlay.dtd

@@ -1,3 +1,3 @@
 <!ENTITY calendarCmd.label	"Calendar">  
 <!ENTITY calendarCmd.accesskey	"r">  
-<!ENTITY calendarCmd.commandkey	"6">  
+<!ENTITY calendarCmd.commandkey	"7">