Add the "use -lutil" line to all functions that require it so people like

Dan Papsian <bugg@bugg.strangled.net> don't anger wpaul and myself with
silly linking errors.

Reviewed by:	chris

lib/libutil/_secure_path.3

@@ -31,6 +31,11 @@
 .Ft int
 .Fn _secure_path "const char *path" "uid_t uid" "gid_t gid"
 .Pp
+Link with
+.Va -lutil
+on the
+.Xr cc 1
+command line.
 .Sh DESCRIPTION
 This function does some basic security checking on a given path.
 It is intended to be used by processes running with root privileges

lib/libutil/fparseln.3

@@ -44,6 +44,12 @@
 .Fa "FILE *stream" "size_t *len" "size_t *lineno"
 .Fa "const char delim[3]" "int flags"
 .Fc
+.Pp
+Link with
+.Va -lutil
+on the
+.Xr cc 1
+command line.
 .Sh DESCRIPTION
 The
 .Fn fparseln

lib/libutil/login_auth.3

@@ -57,6 +57,12 @@
 .\" .Fn auth_hostok "login_cap_t *lc" "const char *hostname" "char const *ip"
 .\" .Ft int
 .\" .Fn auth_timesok "login_cap_t *lc" "time_t now"
+.Pp
+Link with
+.Va -lutil
+on the
+.Xr cc 1
+command line.
 .Sh DESCRIPTION
 This set of functions support the login class authorisation style interface provided
 by

lib/libutil/login_cap.3

@@ -66,6 +66,11 @@
 .Ft char *
 .Fn login_getstyle "login_cap_t *lc" "char *style" "const char *auth"
 .Pp
+Link with
+.Va -lutil
+on the
+.Xr cc 1
+command line.
 .Sh DESCRIPTION
 These functions represent a programming interface to the login
 classes database provided in

lib/libutil/login_class.3

@@ -40,6 +40,11 @@
 .Ft void
 .Fn setclassenvironment "login_cap_t *lc" "const struct passwd *pwd" "int paths"
 .Pp
+Link with
+.Va -lutil
+on the
+.Xr cc 1
+command line.
 .Sh DESCRIPTION
 These functions provide a higher level interface to the login class
 database than those documented in

lib/libutil/login_ok.3

@@ -37,6 +37,12 @@
 .Fn auth_hostok "login_cap_t *lc" "const char *host" "char const *ip"
 .Ft int
 .Fn auth_timeok "login_cap_t *lc" "time_t t"
+.Pp
+Link with
+.Va -lutil
+on the
+.Xr cc 1
+command line.
 .Sh DESCRIPTION
 This set of functions checks to see if login is allowed based on login
 class capability entries in the login database,

lib/libutil/login_times.3

@@ -37,6 +37,12 @@
 .Fn in_ltm "const login_time_t *lt" "struct tm *t" "time_t *ends"
 .Ft int
 .Fn in_ltms "const login_time_t *lt" "struct tm *t" "time_t *ends"
+.Pp
+Link with
+.Va -lutil
+on the
+.Xr cc 1
+command line.
 .Sh DESCRIPTION
 This set of functions may be used for parsing and checking login and
 session times against a predefined list of allowed login times as