Two small TLS fixes -
arch/um/os-Linux/sys-i386/tls.c uses errno and -E* so it should include
    errno.h
__setup_host_supports_tls returns 1, but as an initcall, it should return 0
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
+#include <errno.h>
 #include <linux/unistd.h>
 #include "sysdep/tls.h"
 #include "user_util.h"
 
        } else
                printk(KERN_ERR "  Host TLS support NOT detected! "
                                "TLS support inside UML will not work\n");
-       return 1;
+       return 0;
 }
 
 __initcall(__setup_host_supports_tls);