[evolution] Change "mail:async-error" alerts to warnings.

[Matthew Barnes <mbarnes src gnome org>]

commit 88c041d2bca85ebe1d67f97c7e31873a4610b3b8
Author: Matthew Barnes <mbarnes redhat com>
Date:   Fri Mar 25 14:21:57 2011 -0400

    Change "mail:async-error" alerts to warnings.
    
    Most Camel alerts are transient.  Make them warnings so they time out.

 mail/mail.error.xml |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/mail/mail.error.xml b/mail/mail.error.xml
index d014e44..709b572 100644
--- a/mail/mail.error.xml
+++ b/mail/mail.error.xml
@@ -123,7 +123,7 @@ Many email systems add an Apparently-To header to messages that only have BCC re
     <button stock="gtk-quit" response="GTK_RESPONSE_YES"/>
   </error>
 
-  <error id="async-error" type="error">
+  <error id="async-error" type="warning">
     <!-- Translators: the {0} is replaced with an operation name, which failed.
          It can be basically anything run asynchronously, like "Fetching Mail",
 	 "Sending message" and others, mostly from mail-ops.c file. -->
@@ -131,7 +131,7 @@ Many email systems add an Apparently-To header to messages that only have BCC re
     <secondary>{1}</secondary>
   </error>
 
-  <error id="async-error-nodescribe" type="error" scroll="yes">
+  <error id="async-error-nodescribe" type="warning" scroll="yes">
     <_primary>Error while performing operation.</_primary>
     <secondary>{0}</secondary>
   </error>