regcomp.c: Change some static parameters to const

I found I needed const in a future commit.

1 files changed, 1 insertions, 1 deletions

diff --git a/regcomp.c b/regcomp.c
index 438cd79b38..2fbc1b4107 100644
--- a/regcomp.c
+++ b/regcomp.c
@@ -4763,7 +4763,7 @@ PerlIO_printf(Perl_debug_log, "LHS=%"UVdf" RHS=%"UVdf"\n",
 }
 
 STATIC U32
-S_add_data(RExC_state_t *pRExC_state, U32 n, const char *s)
+S_add_data(RExC_state_t* const pRExC_state, const U32 n, const char* const s)
 {
     U32 count = RExC_rxi->data ? RExC_rxi->data->count : 0;