Patch the slapd man page to not refer to a header file that isn't
installed with the slapd package and to reference the correct path
for slapd.

Debian-specific.

Index: openldap/doc/man/man8/slapd.8
===================================================================
--- openldap.orig/doc/man/man8/slapd.8	2022-05-20 17:36:07.977242738 -0400
+++ openldap/doc/man/man8/slapd.8	2022-05-20 17:36:07.973242735 -0400
@@ -5,7 +5,7 @@
 .SH NAME
 slapd \- Stand-alone LDAP Daemon
 .SH SYNOPSIS
-.B LIBEXECDIR/slapd 
+.B /usr/sbin/slapd 
 [\c
 .BR \-V [ V [ V ]]
 [\c
@@ -110,11 +110,10 @@
 will not fork or disassociate from the invoking terminal.  Some general
 operation and status messages are printed for any value of \fIdebug-level\fP.
 \fIdebug-level\fP is taken as a bit string, with each bit corresponding to a
-different kind of debugging information.  See <ldap_log.h> for details.
-Comma-separated arrays of friendly names can be specified to select
-debugging output of the corresponding debugging information.
-All the names recognized by the \fIloglevel\fP directive 
-described in \fBslapd.conf\fP(5) are supported.
+different kind of debugging information.  Comma-separated arrays of friendly
+names can be specified to select debugging output of the corresponding
+debugging information.  All the names recognized by the \fIloglevel\fP
+directive described in \fBslapd.conf\fP(5) are supported.
 If \fIdebug-level\fP is \fB?\fP, a list of installed debug-levels is printed,
 and slapd exits.
 
@@ -332,7 +331,7 @@
 .LP
 .nf
 .ft tt
-	LIBEXECDIR/slapd
+	/usr/sbin/slapd
 .ft
 .fi
 .LP
@@ -343,7 +342,7 @@
 .LP
 .nf
 .ft tt
-	LIBEXECDIR/slapd \-f /var/tmp/slapd.conf \-d 255
+	/usr/sbin/slapd \-f /var/tmp/slapd.conf \-d 255
 .ft
 .fi
 .LP
@@ -351,7 +350,7 @@
 .LP
 .nf
 .ft tt
-	LIBEXECDIR/slapd \-Tt
+	/usr/sbin/slapd \-Tt
 .ft
 .fi
 .LP