patch 8.1.0539: cannot build without the sandbox
Problem: Cannot build without the sandbox.
Solution: Set the secure option instead of using the sandbox. Also restrict
the characters from 'spelllang' that are used for LANG.vim.
(suggested by Yasuhiro Matsumoto)
diff --git a/src/buffer.c b/src/buffer.c
index ee962b2..8235a4f 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -5523,11 +5523,11 @@
current_sctx.sc_lnum = 0;
#endif
// Make sure no risky things are executed as a side effect.
- ++sandbox;
+ ++secure;
retval = do_set(s, OPT_MODELINE | OPT_LOCAL | flags);
- --sandbox;
+ --secure;
#ifdef FEAT_EVAL
current_sctx = save_current_sctx;
#endif