Voicemail with ODBC_STORAGE defined does not compile cleanly (missing def)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@77886 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_voicemail.c

@@ -1624,6 +1624,7 @@ static int last_message_index(struct ast_vm_user *vmu, char *dir)
 #endif
 #endif
 
+#ifndef ODBC_STORAGE
 static int vm_delete(char *file)
 {
 	char *txt;
@@ -1638,6 +1639,7 @@ static int vm_delete(char *file)
 	unlink(txt);
 	return ast_filedelete(file, NULL);
 }
+#endif
 
 static int inbuf(struct baseio *bio, FILE *fi)
 {