Fixing a crash wherein Asterisk would segfault when attempting to leave a voicemail when IMAP storage

was enabled. Though no bug was reported to the bugtracker, there was mention of this made as a note on
bug 9810 by edhorton. 



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@67784 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_voicemail.c

@@ -9281,6 +9281,8 @@ static void vmstate_insert(struct vm_state *vms)
 	if (!(v = ast_calloc(1, sizeof(*v))))
 		return;
 	
+	v->vms = vms;
+
 	if(option_debug > 2)
 		ast_log(LOG_DEBUG, "Inserting vm_state for user:%s, mailbox %s\n",vms->imapuser,vms->username);