nfsd: move nfsd/auth.h into fs/nfsd

This header is used only in a few places in fs/nfsd, so there seems to
be little point to having it in include/.  (Thanks to Robert Day for
pointing this out.)

Cc: Robert P. J. Day <rpjday@crashcourse.ca>
Acked-by: NNeilBrown <neilb@suse.de>
Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>

fs/nfsd/nfs3xdr.c

@@ -21,6 +21,7 @@
 #include <linux/sunrpc/svc.h>
 #include <linux/nfsd/nfsd.h>
 #include <linux/nfsd/xdr3.h>
+#include "auth.h"
 
 #define NFSDDBG_FACILITY		NFSDDBG_XDR
 

fs/nfsd/nfsfh.c

@@ -22,6 +22,7 @@
 #include <linux/sunrpc/svc.h>
 #include <linux/sunrpc/svcauth_gss.h>
 #include <linux/nfsd/nfsd.h>
+#include "auth.h"
 
 #define NFSDDBG_FACILITY		NFSDDBG_FH
 

fs/nfsd/nfsxdr.c

@@ -15,6 +15,7 @@
 #include <linux/nfsd/nfsd.h>
 #include <linux/nfsd/xdr.h>
 #include <linux/mm.h>
+#include "auth.h"
 
 #define NFSDDBG_FACILITY		NFSDDBG_XDR
 

include/linux/nfsd/Kbuild

@@ -4,4 +4,3 @@ unifdef-y += stats.h
 unifdef-y += syscall.h
 unifdef-y += nfsfh.h
 unifdef-y += debug.h
-unifdef-y += auth.h

include/linux/nfsd/nfsd.h

@@ -20,7 +20,6 @@
 #include <linux/nfsd/debug.h>
 #include <linux/nfsd/nfsfh.h>
 #include <linux/nfsd/export.h>
-#include <linux/nfsd/auth.h>
 #include <linux/nfsd/stats.h>
 /*
  * nfsd version

include/linux/nfsd/syscall.h

@@ -18,7 +18,6 @@
 #include <linux/nfsd/const.h>
 #include <linux/nfsd/export.h>
 #include <linux/nfsd/nfsfh.h>
-#include <linux/nfsd/auth.h>
 
 /*
  * Version of the syscall interface