dup these too.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7563 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_voicemail/mod_voicemail.c

@@ -584,8 +584,8 @@ static switch_status_t load_config(void)
 
 			profile->email_body = email_body;
 			profile->email_headers = email_headers;
-			profile->email_from = email_from;
-			profile->date_fmt = date_fmt;
+			profile->email_from = switch_core_strdup(globals.pool, email_from);
+			profile->date_fmt = switch_core_strdup(globals.pool, date_fmt);
 
 			profile->digit_timeout = timeout;
 			profile->max_login_attempts = max_login_attempts;