[PATCH] security/keys/request_key.c - fix kerneldoc

When building with W=1, gcc complains due to a typo in a kerneldoc comment CC security/keys/request_key.o security/keys/request_key.c:35: warning: Function parameter or member 'authkey' not described in 'complete_request_key' security/keys/request_key.c:35: warning: Excess function

[PATCH] security/keys/request_key.c - fix kerneldoc

CC security/keys/request_key.o security/keys/request_key.c:35: warning: Function parameter or member 'authkey' not described in 'complete_request_key' security/keys/request_key.c:35: warning: Excess function parameter 'auth_key' description in 'complete_request_key' Fix it up to match