make xattr_getsecurity() static

many years overdue...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/xattr.c

@@ -229,7 +229,7 @@ vfs_setxattr(struct dentry *dentry, const char *name, const void *value,
 }
 EXPORT_SYMBOL_GPL(vfs_setxattr);
 
-ssize_t
+static ssize_t
 xattr_getsecurity(struct inode *inode, const char *name, void *value,
 			size_t size)
 {
@@ -254,7 +254,6 @@ xattr_getsecurity(struct inode *inode, const char *name, void *value,
 out_noalloc:
 	return len;
 }
-EXPORT_SYMBOL_GPL(xattr_getsecurity);
 
 /*
  * vfs_getxattr_alloc - allocate memory, if necessary, before calling getxattr

include/linux/xattr.h

@@ -46,7 +46,6 @@ struct xattr {
 	size_t value_len;
 };
 
-ssize_t xattr_getsecurity(struct inode *, const char *, void *, size_t);
 ssize_t __vfs_getxattr(struct dentry *, struct inode *, const char *, void *, size_t);
 ssize_t vfs_getxattr(struct dentry *, const char *, void *, size_t);
 ssize_t vfs_listxattr(struct dentry *d, char *list, size_t size);