uml: network formatting

Style and other non-functional changes in the UML networking code, including
	include tidying
	style violations
	copyright updates
	printks getting severities
	userspace code calling libc directly rather than using the os_*
wrappers

There's also a exit path cleanup in the pcap driver.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/um/drivers/mcast.h b/arch/um/drivers/mcast.h
index bc56af9..6fa282e 100644
--- a/arch/um/drivers/mcast.h
+++ b/arch/um/drivers/mcast.h
@@ -1,8 +1,11 @@
 /* 
- * Copyright (C) 2001 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  */
 
+#ifndef __DRIVERS_MCAST_H
+#define __DRIVERS_MCAST_H
+
 #include "net_user.h"
 
 struct mcast_data {
@@ -18,13 +21,4 @@
 extern int mcast_user_write(int fd, void *buf, int len, 
 			    struct mcast_data *pri);
 
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
+#endif