Bison 1.875 uses a slightly different error message; update the regexp

to accept it as well as older versions.

src/server/testsuite/lyskomd.0/46.exp

@@ -56,7 +56,7 @@ talk_to lyskomd
 
 set test "syntax error diagnosed"
 expect {
-    -re "^/$any*/src/server/testsuite/lyskomd\\.0/aux-items-46\\.conf: ($any_num): parse error, unexpected ID$nl" {
+    -re "^/$any*/src/server/testsuite/lyskomd\\.0/aux-items-46\\.conf: ($any_num): (parse|syntax) error, unexpected ID$nl" {
 	set lineno "$expect_out(1,string)"
 	pass "$test"
     }