[PATCH 3/4] untracked_param: fix a -Wwrite-strings warning

mark_untracked() is used as a callback so the prototype can't change.
Cast it instead.

Signed-off-by: Arka Mondal <[email protected]>
---
 smatch_untracked_param.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/smatch_untracked_param.c b/smatch_untracked_param.c
index a84889ca..ed32f149 100644
--- a/smatch_untracked_param.c
+++ b/smatch_untracked_param.c
@@ -136,7 +136,7 @@ void mark_call_params_untracked(struct expression *call)
 	int i = 0;
 
 	FOR_EACH_PTR(call->args, arg) {
-		mark_untracked(call, i++, "$", NULL);
+		mark_untracked(call, i++, (char *)"$", NULL);
 	} END_FOR_EACH_PTR(arg);
 }
 
-- 
2.55.0