patch 8.2.1891: Vim9: skipping over expression doesn't handle line breaks

Problem:    Vim9: skipping over expression doesn't handle line breaks.
Solution:   Pass evalarg to skip_expr(). (closes #7157)
diff --git a/src/proto/eval.pro b/src/proto/eval.pro
index c32403f..58ec79c 100644
--- a/src/proto/eval.pro
+++ b/src/proto/eval.pro
@@ -9,7 +9,7 @@
 int eval_expr_typval(typval_T *expr, typval_T *argv, int argc, typval_T *rettv);
 int eval_expr_to_bool(typval_T *expr, int *error);
 char_u *eval_to_string_skip(char_u *arg, exarg_T *eap, int skip);
-int skip_expr(char_u **pp);
+int skip_expr(char_u **pp, evalarg_T *evalarg);
 int skip_expr_concatenate(char_u **arg, char_u **start, char_u **end, evalarg_T *evalarg);
 char_u *eval_to_string(char_u *arg, int convert);
 char_u *eval_to_string_safe(char_u *arg, int use_sandbox);