Bug #276918 --> add appstartup and xulapp xpt files to packager list so the em doesn't throw exceptions on startup

that keep installer builds from loading.

mail/config/basemail-unix

@@ -217,7 +217,7 @@ components/caps.xpt
 
 components/libnsappshell.so
 components/appshell.xpt 
-
+components/appstartup.xpt
 
 ; cookies
 ;;components/libcookie.so                   
@@ -364,6 +364,7 @@ components/nsCloseAllWindows.js
 components/libxremoteservice.so
 components/libxremote_client.so
 components/xremoteservice.xpt
+components/xulapp.xpt
 components/libfileview.so
 
 ; plugins

mail/installer/windows/basemail-win

@@ -179,6 +179,7 @@ bin\components\content_xmldoc.xpt
 bin\components\content_xslt.xpt
 bin\components\xultmpl.xpt
 bin\components\xuldoc.xpt
+bin\components\xulapp.xpt
 
 ; Imaging:
 bin\components\imgicon.xpt
@@ -193,6 +194,7 @@ bin\components\caps.xpt
 
 ; glue: appshell, docshell, uriloader, chrome, components
 bin\components\appshell.xpt                                 
+bin\components\appstartup.xpt
 bin\components\docshell_base.xpt            
 bin\components\uriloader.xpt        
 bin\components\webBrowser_core.xpt