patch 8.2.0563: Vim9: cannot split a function line

Problem:    Vim9: cannot split a function line.
Solution:   Continue in next line so long as the function isn't done.
diff --git a/src/vim9compile.c b/src/vim9compile.c
index 7e7ecb8..e39ddee 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -3275,8 +3275,9 @@
 			char_u *start = skipwhite(*arg + 1);
 
 			// Find out what comes after the arguments.
+			// TODO: pass getline function
 			ret = get_function_args(&start, '-', NULL,
-						       NULL, NULL, NULL, TRUE);
+					   NULL, NULL, NULL, TRUE, NULL, NULL);
 			if (ret != FAIL && *start == '>')
 			    ret = compile_lambda(arg, cctx);
 			else