squashfs: xattr fix sparse warnings

Sparse does not like inline function declared without body,
because it is not part of the standard kernel practice.

The xattr_handler tables can be declared static.

Signed-off-by: Stephen Hemminger <[e-mail]>
Signed-off-by: Phillip Lougher <[e-mail]>

fs/squashfs/xattr.c

···
 #include "squashfs_fs_i.h"
 #include "squashfs.h"
 
-static inline struct xattr_handler *squashfs_xattr_handler(int);
+static struct xattr_handler *squashfs_xattr_handler(int);
 
 ssize_t squashfs_listxattr(struct dentry *d, char *buffer,
 	size_t buffer_size)
···
 		buffer, size);
 }
 
-struct xattr_handler squashfs_xattr_user_handler = {
+static struct xattr_handler squashfs_xattr_user_handler = {
 	.prefix	= XATTR_USER_PREFIX,
 	.list	= squashfs_user_list,
 	.get	= squashfs_user_get
···
 		buffer, size);
 }
 
-struct xattr_handler squashfs_xattr_trusted_handler = {
+static struct xattr_handler squashfs_xattr_trusted_handler = {
 	.prefix	= XATTR_TRUSTED_PREFIX,
 	.list	= squashfs_trusted_list,
 	.get	= squashfs_trusted_get
···
 		buffer, size);
 }
 
-struct xattr_handler squashfs_xattr_security_handler = {
+static struct xattr_handler squashfs_xattr_security_handler = {
 	.prefix	= XATTR_SECURITY_PREFIX,
 	.list	= squashfs_security_list,
 	.get	= squashfs_security_get