CLEANUP: htx: Make http_get_stline take a `const struct`
Nothing is being modified there, so this can be `const`.
diff --git a/include/haproxy/http_htx.h b/include/haproxy/http_htx.h
index fbd4438..d807584 100644
--- a/include/haproxy/http_htx.h
+++ b/include/haproxy/http_htx.h
@@ -33,7 +33,7 @@
extern struct http_reply http_err_replies[HTTP_ERR_SIZE];
extern struct list http_errors_list;
-struct htx_sl *http_get_stline(struct htx *htx);
+struct htx_sl *http_get_stline(const struct htx *htx);
size_t http_get_hdrs_size(struct htx *htx);
int http_find_header(const struct htx *htx, const struct ist name, struct http_hdr_ctx *ctx, int full);
int http_find_str_header(const struct htx *htx, const struct ist name, struct http_hdr_ctx *ctx, int full);
diff --git a/src/http_htx.c b/src/http_htx.c
index fcfadce..a7951c0 100644
--- a/src/http_htx.c
+++ b/src/http_htx.c
@@ -60,7 +60,7 @@
* if the start-line is undefined (first == -1). Otherwise, it returns the
* pointer on the htx_sl structure.
*/
-struct htx_sl *http_get_stline(struct htx *htx)
+struct htx_sl *http_get_stline(const struct htx *htx)
{
struct htx_blk *blk;