Fix typos.

libbsm/au_control.3

@@ -201,7 +201,7 @@ converts an audit policy flags string,
 .Fa polstr ,
 to a numeric audit policy mask returned via
 .Fa policy .
-.Sh RETURN VALULES
+.Sh RETURN VALUES
 The
 .Fn getacfilesz ,
 .Fn getacdir ,

libbsm/au_domain.3

@@ -62,7 +62,7 @@ The
 function accepts a local domain, and returns the BSM domain for it.
 This call cannot fail, and instead returns a BSM domain indicating to a later
 decoder that the domain could not be encoded.
-.Sh RETURN VALULES
+.Sh RETURN VALUES
 On success,
 .Fn au_bsm_to_domain
 returns 0 and a converted domain; on failure, it returns -1 but does not set

libbsm/au_errno.3

@@ -76,7 +76,7 @@ function converts a BSM error value to a string, generally by converting first t
 local error number and using the local
 .Xr strerror 3
 function, but will also work for errors that are not locally defined.
-.Sh RETURN VALULES
+.Sh RETURN VALUES
 On success,
 .Fn au_bsm_to_errno
 returns 0 and a converted error value; on failure, it returns -1 but does not

libbsm/au_socket_type.3

@@ -61,7 +61,7 @@ operating system.
 function accepts a local socket type, and returns the BSM socket type for it.
 This call cannot fail, and instead returns a BSM socket type indicating to a
 later decoder that the socket type could not be encoded.
-.Sh RETURN VALULES
+.Sh RETURN VALUES
 On success,
 .Fn au_bsm_to_socket_type
 returns 0 and a converted socket type; on failure, it returns -1 but does not