Fix autodetection of some ldap functions.

PR:		ports/85700
Submitted by:	Brian A. Seklecki <lavalamp@spiritual-machines.org>

net/php4-ldap/files/patch-config.m4

@@ -0,0 +1,22 @@
+--- config.m4.orig	Thu Sep  8 12:40:37 2005
++++ config.m4	Thu Sep  8 12:40:42 2005
+@@ -114,17 +114,18 @@
+   _SAVE_CPPFLAGS=$CPPFLAGS
+   _SAVE_LDFLAGS=$LDFLAGS
+   CPPFLAGS="$CPPFLAGS -I$LDAP_INCDIR"
++  LDFLAGS="$LDFLAGS $LDAP_SHARED_LIBADD"
+   AC_CACHE_CHECK([for 3 arg ldap_set_rebind_proc], ac_cv_3arg_setrebindproc,
+   [AC_TRY_COMPILE([#include <ldap.h>], [ldap_set_rebind_proc(0,0,0)],
+   ac_cv_3arg_setrebindproc=yes, ac_cv_3arg_setrebindproc=no)])
+   if test "$ac_cv_3arg_setrebindproc" = yes; then
+     AC_DEFINE(HAVE_3ARG_SETREBINDPROC,1,[Whether 3 arg set_rebind_proc()])
+   fi
+-  CPPFLAGS=$_SAVE_CPPFLAGS
+ 
+   dnl Solaris 2.8 claims to be 2004 API, but doesn't have
+   dnl ldap_parse_reference() nor ldap_start_tls_s()
+   AC_CHECK_FUNCS([ldap_parse_result ldap_parse_reference ldap_start_tls_s])
++  CPPFLAGS=$_SAVE_CPPFLAGS
+   LDFLAGS=$_SAVE_LDFLAGS
+   
+   dnl