Merge pull request #31216 from jbboehr/fix/php-ldap-header

php: fix compilation when ldap header exists on host system

pkgs/development/interpreters/php/default.nix

···
 
         ldap = {
           configureFlags = [
-            "--with-ldap"
+            "--with-ldap=/invalid/path"
             "LDAP_DIR=${openldap.dev}"
             "LDAP_INCDIR=${openldap.dev}/include"
             "LDAP_LIBDIR=${openldap.out}/lib"