patch 9.0.1573: error for function name has wrong line number

Problem:    Error for function name has wrong line number.
Solution:   Set the line number before giving the error.
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index ecdbd5e..852f3a7 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
Binary files differ