keyctl.2: Declare auth_key

The variable is used in the code example, but not declared,
leading to a compilation error.

Signed-off-by: Oleksandr Kravchuk <open.source@oleksandr-kravchuk.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man2/keyctl.2 b/man2/keyctl.2
index 93e03071f65472e0c89f6f086abb3e47aed9a487..6d0386c0e08fe6a5d72a8843a1aa0e83eb9479f8 100644 (file)
--- a/man2/keyctl.2
+++ b/man2/keyctl.2
@@ -2103,6 +2103,7 @@ main(int argc, char *argv[])
     char dbuf[256];
     char auth_key_payload[256];
     int akp_size;       /* Size of auth_key_payload */
+    int auth_key;
 
     fp = fopen("/tmp/key_instantiate.log", "w");
     if (fp == NULL)