10080 smatch Makefile changes for usr/src/cmd

@@ -22,13 +22,16 @@
 /*
  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
+/*
+ * Copyright (c) 2018, Joyent, Inc.
+ */
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
 #include <sys/ioctl.h>
 #include <sys/prnio.h>
 #include <fcntl.h>